Home / 54,609.85-75,363.34-30,736.92

Finding the Fourth Proportional to 54,609.85, 75,363.34 and 30,736.92

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Solution

The fourth proportional to 54,609.85, 75,363.34 and 30,736.92 is: 42,417.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.85 : 75,363.34 = 30,736.92 : x
  2. Step 2: Convert to fraction form
    54,609.85/75,363.34 = 30,736.92/x
  3. Step 3: Cross multiply
    54,609.85x = 75,363.34 × 30,736.92
  4. Step 4: Simplify right side
    54,609.85x = 2,316,436,705.55
  5. Step 5: Solve for x
    x = 2,316,436,705.55/54,609.85
  6. Step 6: Final answer
    x = 42,417.93

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.