Home / 87,933.60-121,348.17-47,648.46

Finding the Fourth Proportional to 87,933.60, 121,348.17 and 47,648.46

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Solution

The fourth proportional to 87,933.60, 121,348.17 and 47,648.46 is: 65,754.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.60 : 121,348.17 = 47,648.46 : x
  2. Step 2: Convert to fraction form
    87,933.60/121,348.17 = 47,648.46/x
  3. Step 3: Cross multiply
    87,933.60x = 121,348.17 × 47,648.46
  4. Step 4: Simplify right side
    87,933.60x = 5,782,053,424.32
  5. Step 5: Solve for x
    x = 5,782,053,424.32/87,933.60
  6. Step 6: Final answer
    x = 65,754.77

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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.