Home / 81,925.62-122,890.86-32,003.70

Finding the Fourth Proportional to 81,925.62, 122,890.86 and 32,003.70

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Solution

The fourth proportional to 81,925.62, 122,890.86 and 32,003.70 is: 48,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.62 : 122,890.86 = 32,003.70 : x
  2. Step 2: Convert to fraction form
    81,925.62/122,890.86 = 32,003.70/x
  3. Step 3: Cross multiply
    81,925.62x = 122,890.86 × 32,003.70
  4. Step 4: Simplify right side
    81,925.62x = 3,932,962,216.18
  5. Step 5: Solve for x
    x = 3,932,962,216.18/81,925.62
  6. Step 6: Final answer
    x = 48,006.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.