Home / 56,291.90-84,534.45-49,981.04

Finding the Fourth Proportional to 56,291.90, 84,534.45 and 49,981.04

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Solution

The fourth proportional to 56,291.90, 84,534.45 and 49,981.04 is: 75,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,291.90 : 84,534.45 = 49,981.04 : x
  2. Step 2: Convert to fraction form
    56,291.90/84,534.45 = 49,981.04/x
  3. Step 3: Cross multiply
    56,291.90x = 84,534.45 × 49,981.04
  4. Step 4: Simplify right side
    56,291.90x = 4,225,119,726.83
  5. Step 5: Solve for x
    x = 4,225,119,726.83/56,291.90
  6. Step 6: Final answer
    x = 75,057.33

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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.