Home / 97,427.85-134,454.19-54,985.47

Finding the Fourth Proportional to 97,427.85, 134,454.19 and 54,985.47

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Solution

The fourth proportional to 97,427.85, 134,454.19 and 54,985.47 is: 75,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427.85 : 134,454.19 = 54,985.47 : x
  2. Step 2: Convert to fraction form
    97,427.85/134,454.19 = 54,985.47/x
  3. Step 3: Cross multiply
    97,427.85x = 134,454.19 × 54,985.47
  4. Step 4: Simplify right side
    97,427.85x = 7,393,026,830.62
  5. Step 5: Solve for x
    x = 7,393,026,830.62/97,427.85
  6. Step 6: Final answer
    x = 75,882.07

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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.