Home / 48,092.70-72,143.15-12,558.73

Finding the Fourth Proportional to 48,092.70, 72,143.15 and 12,558.73

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Solution

The fourth proportional to 48,092.70, 72,143.15 and 12,558.73 is: 18,839.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,092.70 : 72,143.15 = 12,558.73 : x
  2. Step 2: Convert to fraction form
    48,092.70/72,143.15 = 12,558.73/x
  3. Step 3: Cross multiply
    48,092.70x = 72,143.15 × 12,558.73
  4. Step 4: Simplify right side
    48,092.70x = 906,026,342.20
  5. Step 5: Solve for x
    x = 906,026,342.20/48,092.70
  6. Step 6: Final answer
    x = 18,839.17

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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.