Home / 94,947.28-142,419.36-38,775.04

Finding the Fourth Proportional to 94,947.28, 142,419.36 and 38,775.04

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Solution

The fourth proportional to 94,947.28, 142,419.36 and 38,775.04 is: 58,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,947.28 : 142,419.36 = 38,775.04 : x
  2. Step 2: Convert to fraction form
    94,947.28/142,419.36 = 38,775.04/x
  3. Step 3: Cross multiply
    94,947.28x = 142,419.36 × 38,775.04
  4. Step 4: Simplify right side
    94,947.28x = 5,522,316,380.77
  5. Step 5: Solve for x
    x = 5,522,316,380.77/94,947.28
  6. Step 6: Final answer
    x = 58,161.92

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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.