Home / 88,421.46-122,023.17-48,136.38

Finding the Fourth Proportional to 88,421.46, 122,023.17 and 48,136.38

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Solution

The fourth proportional to 88,421.46, 122,023.17 and 48,136.38 is: 66,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,421.46 : 122,023.17 = 48,136.38 : x
  2. Step 2: Convert to fraction form
    88,421.46/122,023.17 = 48,136.38/x
  3. Step 3: Cross multiply
    88,421.46x = 122,023.17 × 48,136.38
  4. Step 4: Simplify right side
    88,421.46x = 5,873,753,679.92
  5. Step 5: Solve for x
    x = 5,873,753,679.92/88,421.46
  6. Step 6: Final answer
    x = 66,429.05

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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.