Home / 97,882.32-135,104.28-57,609

Finding the Fourth Proportional to 97,882.32, 135,104.28 and 57,609

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Solution

The fourth proportional to 97,882.32, 135,104.28 and 57,609 is: 79,516.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,882.32 : 135,104.28 = 57,609 : x
  2. Step 2: Convert to fraction form
    97,882.32/135,104.28 = 57,609/x
  3. Step 3: Cross multiply
    97,882.32x = 135,104.28 × 57,609
  4. Step 4: Simplify right side
    97,882.32x = 7,783,222,466.52
  5. Step 5: Solve for x
    x = 7,783,222,466.52/97,882.32
  6. Step 6: Final answer
    x = 79,516.12

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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.