Home / 45,309.92-67,505.56-43,079.28

Finding the Fourth Proportional to 45,309.92, 67,505.56 and 43,079.28

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Solution

The fourth proportional to 45,309.92, 67,505.56 and 43,079.28 is: 64,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,309.92 : 67,505.56 = 43,079.28 : x
  2. Step 2: Convert to fraction form
    45,309.92/67,505.56 = 43,079.28/x
  3. Step 3: Cross multiply
    45,309.92x = 67,505.56 × 43,079.28
  4. Step 4: Simplify right side
    45,309.92x = 2,908,090,920.80
  5. Step 5: Solve for x
    x = 2,908,090,920.80/45,309.92
  6. Step 6: Final answer
    x = 64,182.21

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.