Home / 61,937.20-85,388.70-42,555.52

Finding the Fourth Proportional to 61,937.20, 85,388.70 and 42,555.52

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Solution

The fourth proportional to 61,937.20, 85,388.70 and 42,555.52 is: 58,668.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,937.20 : 85,388.70 = 42,555.52 : x
  2. Step 2: Convert to fraction form
    61,937.20/85,388.70 = 42,555.52/x
  3. Step 3: Cross multiply
    61,937.20x = 85,388.70 × 42,555.52
  4. Step 4: Simplify right side
    61,937.20x = 3,633,760,530.62
  5. Step 5: Solve for x
    x = 3,633,760,530.62/61,937.20
  6. Step 6: Final answer
    x = 58,668.47

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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.