Home / 97,419.62-134,442.90-54,979.64

Finding the Fourth Proportional to 97,419.62, 134,442.90 and 54,979.64

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Solution

The fourth proportional to 97,419.62, 134,442.90 and 54,979.64 is: 75,874.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,419.62 : 134,442.90 = 54,979.64 : x
  2. Step 2: Convert to fraction form
    97,419.62/134,442.90 = 54,979.64/x
  3. Step 3: Cross multiply
    97,419.62x = 134,442.90 × 54,979.64
  4. Step 4: Simplify right side
    97,419.62x = 7,391,622,242.56
  5. Step 5: Solve for x
    x = 7,391,622,242.56/97,419.62
  6. Step 6: Final answer
    x = 75,874.06

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1.5x scale

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.