Home / 69,981.22-96,575.34-38,151.46

Finding the Fourth Proportional to 69,981.22, 96,575.34 and 38,151.46

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Solution

The fourth proportional to 69,981.22, 96,575.34 and 38,151.46 is: 52,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,981.22 : 96,575.34 = 38,151.46 : x
  2. Step 2: Convert to fraction form
    69,981.22/96,575.34 = 38,151.46/x
  3. Step 3: Cross multiply
    69,981.22x = 96,575.34 × 38,151.46
  4. Step 4: Simplify right side
    69,981.22x = 3,684,490,221.00
  5. Step 5: Solve for x
    x = 3,684,490,221.00/69,981.22
  6. Step 6: Final answer
    x = 52,649.70

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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.