Home / 67,899.60-93,712.68-39,605.27

Finding the Fourth Proportional to 67,899.60, 93,712.68 and 39,605.27

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Solution

The fourth proportional to 67,899.60, 93,712.68 and 39,605.27 is: 54,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,899.60 : 93,712.68 = 39,605.27 : x
  2. Step 2: Convert to fraction form
    67,899.60/93,712.68 = 39,605.27/x
  3. Step 3: Cross multiply
    67,899.60x = 93,712.68 × 39,605.27
  4. Step 4: Simplify right side
    67,899.60x = 3,711,515,525.26
  5. Step 5: Solve for x
    x = 3,711,515,525.26/67,899.60
  6. Step 6: Final answer
    x = 54,661.82

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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.