Home / 83,529.88-115,269.18-45,287.32

Finding the Fourth Proportional to 83,529.88, 115,269.18 and 45,287.32

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Solution

The fourth proportional to 83,529.88, 115,269.18 and 45,287.32 is: 62,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,529.88 : 115,269.18 = 45,287.32 : x
  2. Step 2: Convert to fraction form
    83,529.88/115,269.18 = 45,287.32/x
  3. Step 3: Cross multiply
    83,529.88x = 115,269.18 × 45,287.32
  4. Step 4: Simplify right side
    83,529.88x = 5,220,232,240.80
  5. Step 5: Solve for x
    x = 5,220,232,240.80/83,529.88
  6. Step 6: Final answer
    x = 62,495.39

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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.