Home / 67,787.10-93,532.50-40,930.74

Finding the Fourth Proportional to 67,787.10, 93,532.50 and 40,930.74

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Solution

The fourth proportional to 67,787.10, 93,532.50 and 40,930.74 is: 56,476.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,787.10 : 93,532.50 = 40,930.74 : x
  2. Step 2: Convert to fraction form
    67,787.10/93,532.50 = 40,930.74/x
  3. Step 3: Cross multiply
    67,787.10x = 93,532.50 × 40,930.74
  4. Step 4: Simplify right side
    67,787.10x = 3,828,354,439.05
  5. Step 5: Solve for x
    x = 3,828,354,439.05/67,787.10
  6. Step 6: Final answer
    x = 56,476.15

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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.