Home / 107,079.23-147,761.21-59,331.56

Finding the Fourth Proportional to 107,079.23, 147,761.21 and 59,331.56

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Solution

The fourth proportional to 107,079.23, 147,761.21 and 59,331.56 is: 81,873.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.23 : 147,761.21 = 59,331.56 : x
  2. Step 2: Convert to fraction form
    107,079.23/147,761.21 = 59,331.56/x
  3. Step 3: Cross multiply
    107,079.23x = 147,761.21 × 59,331.56
  4. Step 4: Simplify right side
    107,079.23x = 8,766,902,506.31
  5. Step 5: Solve for x
    x = 8,766,902,506.31/107,079.23
  6. Step 6: Final answer
    x = 81,873.04

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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.