Home / 83,424.26-125,136.40-21,094.76

Finding the Fourth Proportional to 83,424.26, 125,136.40 and 21,094.76

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Solution

The fourth proportional to 83,424.26, 125,136.40 and 21,094.76 is: 31,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,424.26 : 125,136.40 = 21,094.76 : x
  2. Step 2: Convert to fraction form
    83,424.26/125,136.40 = 21,094.76/x
  3. Step 3: Cross multiply
    83,424.26x = 125,136.40 × 21,094.76
  4. Step 4: Simplify right side
    83,424.26x = 2,639,722,325.26
  5. Step 5: Solve for x
    x = 2,639,722,325.26/83,424.26
  6. Step 6: Final answer
    x = 31,642.14

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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.