Home / 92,534.16-138,780.48-42,566.28

Finding the Fourth Proportional to 92,534.16, 138,780.48 and 42,566.28

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Solution

The fourth proportional to 92,534.16, 138,780.48 and 42,566.28 is: 63,839.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,534.16 : 138,780.48 = 42,566.28 : x
  2. Step 2: Convert to fraction form
    92,534.16/138,780.48 = 42,566.28/x
  3. Step 3: Cross multiply
    92,534.16x = 138,780.48 × 42,566.28
  4. Step 4: Simplify right side
    92,534.16x = 5,907,368,770.21
  5. Step 5: Solve for x
    x = 5,907,368,770.21/92,534.16
  6. Step 6: Final answer
    x = 63,839.87

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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.