Home / 76,843.13-106,044.35-43,309.13

Finding the Fourth Proportional to 76,843.13, 106,044.35 and 43,309.13

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Solution

The fourth proportional to 76,843.13, 106,044.35 and 43,309.13 is: 59,767.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,843.13 : 106,044.35 = 43,309.13 : x
  2. Step 2: Convert to fraction form
    76,843.13/106,044.35 = 43,309.13/x
  3. Step 3: Cross multiply
    76,843.13x = 106,044.35 × 43,309.13
  4. Step 4: Simplify right side
    76,843.13x = 4,592,687,793.15
  5. Step 5: Solve for x
    x = 4,592,687,793.15/76,843.13
  6. Step 6: Final answer
    x = 59,767.06

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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.