Home / 97,427-134,449.35-54,984.62

Finding the Fourth Proportional to 97,427, 134,449.35 and 54,984.62

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Solution

The fourth proportional to 97,427, 134,449.35 and 54,984.62 is: 75,878.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,427 : 134,449.35 = 54,984.62 : x
  2. Step 2: Convert to fraction form
    97,427/134,449.35 = 54,984.62/x
  3. Step 3: Cross multiply
    97,427x = 134,449.35 × 54,984.62
  4. Step 4: Simplify right side
    97,427x = 7,392,646,419.00
  5. Step 5: Solve for x
    x = 7,392,646,419.00/97,427
  6. Step 6: Final answer
    x = 75,878.83

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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.