Home / 62,778.64-94,167.80-39,421.48

Finding the Fourth Proportional to 62,778.64, 94,167.80 and 39,421.48

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Solution

The fourth proportional to 62,778.64, 94,167.80 and 39,421.48 is: 59,132.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,778.64 : 94,167.80 = 39,421.48 : x
  2. Step 2: Convert to fraction form
    62,778.64/94,167.80 = 39,421.48/x
  3. Step 3: Cross multiply
    62,778.64x = 94,167.80 × 39,421.48
  4. Step 4: Simplify right side
    62,778.64x = 3,712,234,044.34
  5. Step 5: Solve for x
    x = 3,712,234,044.34/62,778.64
  6. Step 6: Final answer
    x = 59,132.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.