Home / 84,343.29-126,452.45-51,055.49

Finding the Fourth Proportional to 84,343.29, 126,452.45 and 51,055.49

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Solution

The fourth proportional to 84,343.29, 126,452.45 and 51,055.49 is: 76,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,343.29 : 126,452.45 = 51,055.49 : x
  2. Step 2: Convert to fraction form
    84,343.29/126,452.45 = 51,055.49/x
  3. Step 3: Cross multiply
    84,343.29x = 126,452.45 × 51,055.49
  4. Step 4: Simplify right side
    84,343.29x = 6,456,090,908.91
  5. Step 5: Solve for x
    x = 6,456,090,908.91/84,343.29
  6. Step 6: Final answer
    x = 76,545.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.