Home / 45,331.23-67,991.45-12,053.73

Finding the Fourth Proportional to 45,331.23, 67,991.45 and 12,053.73

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Solution

The fourth proportional to 45,331.23, 67,991.45 and 12,053.73 is: 18,079.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,331.23 : 67,991.45 = 12,053.73 : x
  2. Step 2: Convert to fraction form
    45,331.23/67,991.45 = 12,053.73/x
  3. Step 3: Cross multiply
    45,331.23x = 67,991.45 × 12,053.73
  4. Step 4: Simplify right side
    45,331.23x = 819,550,520.34
  5. Step 5: Solve for x
    x = 819,550,520.34/45,331.23
  6. Step 6: Final answer
    x = 18,079.16

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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.