Home / 88,276.30-121,807.20-58,073.83

Finding the Fourth Proportional to 88,276.30, 121,807.20 and 58,073.83

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Solution

The fourth proportional to 88,276.30, 121,807.20 and 58,073.83 is: 80,132.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,276.30 : 121,807.20 = 58,073.83 : x
  2. Step 2: Convert to fraction form
    88,276.30/121,807.20 = 58,073.83/x
  3. Step 3: Cross multiply
    88,276.30x = 121,807.20 × 58,073.83
  4. Step 4: Simplify right side
    88,276.30x = 7,073,810,625.58
  5. Step 5: Solve for x
    x = 7,073,810,625.58/88,276.30
  6. Step 6: Final answer
    x = 80,132.61

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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.