Home / 44,712.56-67,079.21-13,121.34

Finding the Fourth Proportional to 44,712.56, 67,079.21 and 13,121.34

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Solution

The fourth proportional to 44,712.56, 67,079.21 and 13,121.34 is: 19,685.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,712.56 : 67,079.21 = 13,121.34 : x
  2. Step 2: Convert to fraction form
    44,712.56/67,079.21 = 13,121.34/x
  3. Step 3: Cross multiply
    44,712.56x = 67,079.21 × 13,121.34
  4. Step 4: Simplify right side
    44,712.56x = 880,169,055.73
  5. Step 5: Solve for x
    x = 880,169,055.73/44,712.56
  6. Step 6: Final answer
    x = 19,685.05

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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.