Home / 55,148.32-76,131.12-33,945.76

Finding the Fourth Proportional to 55,148.32, 76,131.12 and 33,945.76

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Solution

The fourth proportional to 55,148.32, 76,131.12 and 33,945.76 is: 46,861.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,148.32 : 76,131.12 = 33,945.76 : x
  2. Step 2: Convert to fraction form
    55,148.32/76,131.12 = 33,945.76/x
  3. Step 3: Cross multiply
    55,148.32x = 76,131.12 × 33,945.76
  4. Step 4: Simplify right side
    55,148.32x = 2,584,328,728.05
  5. Step 5: Solve for x
    x = 2,584,328,728.05/55,148.32
  6. Step 6: Final answer
    x = 46,861.42

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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.