Home / 66,521.25-91,799.33-45,337.52

Finding the Fourth Proportional to 66,521.25, 91,799.33 and 45,337.52

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Solution

The fourth proportional to 66,521.25, 91,799.33 and 45,337.52 is: 62,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.25 : 91,799.33 = 45,337.52 : x
  2. Step 2: Convert to fraction form
    66,521.25/91,799.33 = 45,337.52/x
  3. Step 3: Cross multiply
    66,521.25x = 91,799.33 × 45,337.52
  4. Step 4: Simplify right side
    66,521.25x = 4,161,953,962.67
  5. Step 5: Solve for x
    x = 4,161,953,962.67/66,521.25
  6. Step 6: Final answer
    x = 62,565.78

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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.