Home / 54,901.28-75,763.86-29,750.78

Finding the Fourth Proportional to 54,901.28, 75,763.86 and 29,750.78

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Solution

The fourth proportional to 54,901.28, 75,763.86 and 29,750.78 is: 41,056.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,901.28 : 75,763.86 = 29,750.78 : x
  2. Step 2: Convert to fraction form
    54,901.28/75,763.86 = 29,750.78/x
  3. Step 3: Cross multiply
    54,901.28x = 75,763.86 × 29,750.78
  4. Step 4: Simplify right side
    54,901.28x = 2,254,034,008.66
  5. Step 5: Solve for x
    x = 2,254,034,008.66/54,901.28
  6. Step 6: Final answer
    x = 41,056.13

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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.