Home / 84,342.90-126,494.10-48,727.20

Finding the Fourth Proportional to 84,342.90, 126,494.10 and 48,727.20

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Solution

The fourth proportional to 84,342.90, 126,494.10 and 48,727.20 is: 73,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,342.90 : 126,494.10 = 48,727.20 : x
  2. Step 2: Convert to fraction form
    84,342.90/126,494.10 = 48,727.20/x
  3. Step 3: Cross multiply
    84,342.90x = 126,494.10 × 48,727.20
  4. Step 4: Simplify right side
    84,342.90x = 6,163,703,309.52
  5. Step 5: Solve for x
    x = 6,163,703,309.52/84,342.90
  6. Step 6: Final answer
    x = 73,079.10

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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.