Home / 97,885.29-135,078.91-57,589.81

Finding the Fourth Proportional to 97,885.29, 135,078.91 and 57,589.81

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Solution

The fourth proportional to 97,885.29, 135,078.91 and 57,589.81 is: 79,472.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,885.29 : 135,078.91 = 57,589.81 : x
  2. Step 2: Convert to fraction form
    97,885.29/135,078.91 = 57,589.81/x
  3. Step 3: Cross multiply
    97,885.29x = 135,078.91 × 57,589.81
  4. Step 4: Simplify right side
    97,885.29x = 7,779,168,761.91
  5. Step 5: Solve for x
    x = 7,779,168,761.91/97,885.29
  6. Step 6: Final answer
    x = 79,472.30

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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.