Home / 58,431.08-80,640.56-34,565.43

Finding the Fourth Proportional to 58,431.08, 80,640.56 and 34,565.43

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Solution

The fourth proportional to 58,431.08, 80,640.56 and 34,565.43 is: 47,703.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,431.08 : 80,640.56 = 34,565.43 : x
  2. Step 2: Convert to fraction form
    58,431.08/80,640.56 = 34,565.43/x
  3. Step 3: Cross multiply
    58,431.08x = 80,640.56 × 34,565.43
  4. Step 4: Simplify right side
    58,431.08x = 2,787,375,459.01
  5. Step 5: Solve for x
    x = 2,787,375,459.01/58,431.08
  6. Step 6: Final answer
    x = 47,703.65

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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.