Home / 84,343.32-126,452.47-51,055.51

Finding the Fourth Proportional to 84,343.32, 126,452.47 and 51,055.51

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Solution

The fourth proportional to 84,343.32, 126,452.47 and 51,055.51 is: 76,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,343.32 : 126,452.47 = 51,055.51 : x
  2. Step 2: Convert to fraction form
    84,343.32/126,452.47 = 51,055.51/x
  3. Step 3: Cross multiply
    84,343.32x = 126,452.47 × 51,055.51
  4. Step 4: Simplify right side
    84,343.32x = 6,456,095,346.61
  5. Step 5: Solve for x
    x = 6,456,095,346.61/84,343.32
  6. Step 6: Final answer
    x = 76,545.43

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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.