Home / 97,428.35-134,454.88-54,985.97

Finding the Fourth Proportional to 97,428.35, 134,454.88 and 54,985.97

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Solution

The fourth proportional to 97,428.35, 134,454.88 and 54,985.97 is: 75,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,428.35 : 134,454.88 = 54,985.97 : x
  2. Step 2: Convert to fraction form
    97,428.35/134,454.88 = 54,985.97/x
  3. Step 3: Cross multiply
    97,428.35x = 134,454.88 × 54,985.97
  4. Step 4: Simplify right side
    97,428.35x = 7,393,131,998.03
  5. Step 5: Solve for x
    x = 7,393,131,998.03/97,428.35
  6. Step 6: Final answer
    x = 75,882.76

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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.