Home / 61,272.18-84,493.17-57,700.44

Finding the Fourth Proportional to 61,272.18, 84,493.17 and 57,700.44

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Solution

The fourth proportional to 61,272.18, 84,493.17 and 57,700.44 is: 79,567.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,272.18 : 84,493.17 = 57,700.44 : x
  2. Step 2: Convert to fraction form
    61,272.18/84,493.17 = 57,700.44/x
  3. Step 3: Cross multiply
    61,272.18x = 84,493.17 × 57,700.44
  4. Step 4: Simplify right side
    61,272.18x = 4,875,293,085.99
  5. Step 5: Solve for x
    x = 4,875,293,085.99/61,272.18
  6. Step 6: Final answer
    x = 79,567.81

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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.