Home / 102,593.12-141,585.60-57,280.08

Finding the Fourth Proportional to 102,593.12, 141,585.60 and 57,280.08

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Solution

The fourth proportional to 102,593.12, 141,585.60 and 57,280.08 is: 79,050.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,593.12 : 141,585.60 = 57,280.08 : x
  2. Step 2: Convert to fraction form
    102,593.12/141,585.60 = 57,280.08/x
  3. Step 3: Cross multiply
    102,593.12x = 141,585.60 × 57,280.08
  4. Step 4: Simplify right side
    102,593.12x = 8,110,034,494.85
  5. Step 5: Solve for x
    x = 8,110,034,494.85/102,593.12
  6. Step 6: Final answer
    x = 79,050.47

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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.