Home / 67,787.28-93,535.45-42,289.59

Finding the Fourth Proportional to 67,787.28, 93,535.45 and 42,289.59

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Solution

The fourth proportional to 67,787.28, 93,535.45 and 42,289.59 is: 58,352.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787.28 : 93,535.45 = 42,289.59 : x
  2. Step 2: Convert to fraction form
    67,787.28/93,535.45 = 42,289.59/x
  3. Step 3: Cross multiply
    67,787.28x = 93,535.45 × 42,289.59
  4. Step 4: Simplify right side
    67,787.28x = 3,955,575,830.97
  5. Step 5: Solve for x
    x = 3,955,575,830.97/67,787.28
  6. Step 6: Final answer
    x = 58,352.77

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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.