Home / 69,027.59-103,389.62-57,045.57

Finding the Fourth Proportional to 69,027.59, 103,389.62 and 57,045.57

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Solution

The fourth proportional to 69,027.59, 103,389.62 and 57,045.57 is: 85,442.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,027.59 : 103,389.62 = 57,045.57 : x
  2. Step 2: Convert to fraction form
    69,027.59/103,389.62 = 57,045.57/x
  3. Step 3: Cross multiply
    69,027.59x = 103,389.62 × 57,045.57
  4. Step 4: Simplify right side
    69,027.59x = 5,897,919,132.04
  5. Step 5: Solve for x
    x = 5,897,919,132.04/69,027.59
  6. Step 6: Final answer
    x = 85,442.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.