Home / 67,457.76-93,084.64-39,157.92

Finding the Fourth Proportional to 67,457.76, 93,084.64 and 39,157.92

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Solution

The fourth proportional to 67,457.76, 93,084.64 and 39,157.92 is: 54,033.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,457.76 : 93,084.64 = 39,157.92 : x
  2. Step 2: Convert to fraction form
    67,457.76/93,084.64 = 39,157.92/x
  3. Step 3: Cross multiply
    67,457.76x = 93,084.64 × 39,157.92
  4. Step 4: Simplify right side
    67,457.76x = 3,645,000,886.35
  5. Step 5: Solve for x
    x = 3,645,000,886.35/67,457.76
  6. Step 6: Final answer
    x = 54,033.83

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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.