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Finding the Fourth Proportional to 62,459.60, 86,192.76 and 34,163.44

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Solution

The fourth proportional to 62,459.60, 86,192.76 and 34,163.44 is: 47,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,459.60 : 86,192.76 = 34,163.44 : x
  2. Step 2: Convert to fraction form
    62,459.60/86,192.76 = 34,163.44/x
  3. Step 3: Cross multiply
    62,459.60x = 86,192.76 × 34,163.44
  4. Step 4: Simplify right side
    62,459.60x = 2,944,641,184.69
  5. Step 5: Solve for x
    x = 2,944,641,184.69/62,459.60
  6. Step 6: Final answer
    x = 47,144.73

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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.