Home / 83,814.93-125,805.03-61,565.85

Finding the Fourth Proportional to 83,814.93, 125,805.03 and 61,565.85

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Solution

The fourth proportional to 83,814.93, 125,805.03 and 61,565.85 is: 92,409.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,814.93 : 125,805.03 = 61,565.85 : x
  2. Step 2: Convert to fraction form
    83,814.93/125,805.03 = 61,565.85/x
  3. Step 3: Cross multiply
    83,814.93x = 125,805.03 × 61,565.85
  4. Step 4: Simplify right side
    83,814.93x = 7,745,293,606.23
  5. Step 5: Solve for x
    x = 7,745,293,606.23/83,814.93
  6. Step 6: Final answer
    x = 92,409.47

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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.