Home / 83,425.14-115,126.84-45,184.77

Finding the Fourth Proportional to 83,425.14, 115,126.84 and 45,184.77

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Solution

The fourth proportional to 83,425.14, 115,126.84 and 45,184.77 is: 62,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,425.14 : 115,126.84 = 45,184.77 : x
  2. Step 2: Convert to fraction form
    83,425.14/115,126.84 = 45,184.77/x
  3. Step 3: Cross multiply
    83,425.14x = 115,126.84 × 45,184.77
  4. Step 4: Simplify right side
    83,425.14x = 5,201,979,786.23
  5. Step 5: Solve for x
    x = 5,201,979,786.23/83,425.14
  6. Step 6: Final answer
    x = 62,355.06

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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.