Home / 62,423.28-86,144.16-34,131.60

Finding the Fourth Proportional to 62,423.28, 86,144.16 and 34,131.60

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Solution

The fourth proportional to 62,423.28, 86,144.16 and 34,131.60 is: 47,101.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,423.28 : 86,144.16 = 34,131.60 : x
  2. Step 2: Convert to fraction form
    62,423.28/86,144.16 = 34,131.60/x
  3. Step 3: Cross multiply
    62,423.28x = 86,144.16 × 34,131.60
  4. Step 4: Simplify right side
    62,423.28x = 2,940,238,011.46
  5. Step 5: Solve for x
    x = 2,940,238,011.46/62,423.28
  6. Step 6: Final answer
    x = 47,101.63

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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.