Home / 60,811.56-91,180.08-21,373.20

Finding the Fourth Proportional to 60,811.56, 91,180.08 and 21,373.20

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Solution

The fourth proportional to 60,811.56, 91,180.08 and 21,373.20 is: 32,046.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,811.56 : 91,180.08 = 21,373.20 : x
  2. Step 2: Convert to fraction form
    60,811.56/91,180.08 = 21,373.20/x
  3. Step 3: Cross multiply
    60,811.56x = 91,180.08 × 21,373.20
  4. Step 4: Simplify right side
    60,811.56x = 1,948,810,085.86
  5. Step 5: Solve for x
    x = 1,948,810,085.86/60,811.56
  6. Step 6: Final answer
    x = 32,046.70

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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.