Home / 83,424.08-125,136.92-21,094.56

Finding the Fourth Proportional to 83,424.08, 125,136.92 and 21,094.56

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Solution

The fourth proportional to 83,424.08, 125,136.92 and 21,094.56 is: 31,642.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.08 : 125,136.92 = 21,094.56 : x
  2. Step 2: Convert to fraction form
    83,424.08/125,136.92 = 21,094.56/x
  3. Step 3: Cross multiply
    83,424.08x = 125,136.92 × 21,094.56
  4. Step 4: Simplify right side
    83,424.08x = 2,639,708,267.16
  5. Step 5: Solve for x
    x = 2,639,708,267.16/83,424.08
  6. Step 6: Final answer
    x = 31,642.04

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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.