Home / 83,730.70-115,548.92-45,490.24

Finding the Fourth Proportional to 83,730.70, 115,548.92 and 45,490.24

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Solution

The fourth proportional to 83,730.70, 115,548.92 and 45,490.24 is: 62,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,730.70 : 115,548.92 = 45,490.24 : x
  2. Step 2: Convert to fraction form
    83,730.70/115,548.92 = 45,490.24/x
  3. Step 3: Cross multiply
    83,730.70x = 115,548.92 × 45,490.24
  4. Step 4: Simplify right side
    83,730.70x = 5,256,348,318.06
  5. Step 5: Solve for x
    x = 5,256,348,318.06/83,730.70
  6. Step 6: Final answer
    x = 62,776.83

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1.5x scale

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.