Home / 67,543.90-93,222.16-39,265.98

Finding the Fourth Proportional to 67,543.90, 93,222.16 and 39,265.98

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Solution

The fourth proportional to 67,543.90, 93,222.16 and 39,265.98 is: 54,193.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,543.90 : 93,222.16 = 39,265.98 : x
  2. Step 2: Convert to fraction form
    67,543.90/93,222.16 = 39,265.98/x
  3. Step 3: Cross multiply
    67,543.90x = 93,222.16 × 39,265.98
  4. Step 4: Simplify right side
    67,543.90x = 3,660,459,470.12
  5. Step 5: Solve for x
    x = 3,660,459,470.12/67,543.90
  6. Step 6: Final answer
    x = 54,193.78

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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.