Home / 75,666.50-113,460.33-28,242.59

Finding the Fourth Proportional to 75,666.50, 113,460.33 and 28,242.59

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Solution

The fourth proportional to 75,666.50, 113,460.33 and 28,242.59 is: 42,349.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,666.50 : 113,460.33 = 28,242.59 : x
  2. Step 2: Convert to fraction form
    75,666.50/113,460.33 = 28,242.59/x
  3. Step 3: Cross multiply
    75,666.50x = 113,460.33 × 28,242.59
  4. Step 4: Simplify right side
    75,666.50x = 3,204,413,120.06
  5. Step 5: Solve for x
    x = 3,204,413,120.06/75,666.50
  6. Step 6: Final answer
    x = 42,349.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.