Home / 83,099.06-124,462.68-38,659.22

Finding the Fourth Proportional to 83,099.06, 124,462.68 and 38,659.22

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Solution

The fourth proportional to 83,099.06, 124,462.68 and 38,659.22 is: 57,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,099.06 : 124,462.68 = 38,659.22 : x
  2. Step 2: Convert to fraction form
    83,099.06/124,462.68 = 38,659.22/x
  3. Step 3: Cross multiply
    83,099.06x = 124,462.68 × 38,659.22
  4. Step 4: Simplify right side
    83,099.06x = 4,811,630,127.91
  5. Step 5: Solve for x
    x = 4,811,630,127.91/83,099.06
  6. Step 6: Final answer
    x = 57,902.34

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1.5x scale

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.