Home / 89,037.08-122,871.15-48,750.83

Finding the Fourth Proportional to 89,037.08, 122,871.15 and 48,750.83

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Solution

The fourth proportional to 89,037.08, 122,871.15 and 48,750.83 is: 67,276.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,037.08 : 122,871.15 = 48,750.83 : x
  2. Step 2: Convert to fraction form
    89,037.08/122,871.15 = 48,750.83/x
  3. Step 3: Cross multiply
    89,037.08x = 122,871.15 × 48,750.83
  4. Step 4: Simplify right side
    89,037.08x = 5,990,070,301.80
  5. Step 5: Solve for x
    x = 5,990,070,301.80/89,037.08
  6. Step 6: Final answer
    x = 67,276.13

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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.