Home / 91,932.12-137,773.61-47,590.00

Finding the Fourth Proportional to 91,932.12, 137,773.61 and 47,590.00

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Solution

The fourth proportional to 91,932.12, 137,773.61 and 47,590.00 is: 71,320.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,932.12 : 137,773.61 = 47,590.00 : x
  2. Step 2: Convert to fraction form
    91,932.12/137,773.61 = 47,590.00/x
  3. Step 3: Cross multiply
    91,932.12x = 137,773.61 × 47,590.00
  4. Step 4: Simplify right side
    91,932.12x = 6,556,646,470.96
  5. Step 5: Solve for x
    x = 6,556,646,470.96/91,932.12
  6. Step 6: Final answer
    x = 71,320.52

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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.