Home / 107,215.44-147,958.20-59,471.88

Finding the Fourth Proportional to 107,215.44, 147,958.20 and 59,471.88

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Solution

The fourth proportional to 107,215.44, 147,958.20 and 59,471.88 is: 82,071.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,215.44 : 147,958.20 = 59,471.88 : x
  2. Step 2: Convert to fraction form
    107,215.44/147,958.20 = 59,471.88/x
  3. Step 3: Cross multiply
    107,215.44x = 147,958.20 × 59,471.88
  4. Step 4: Simplify right side
    107,215.44x = 8,799,352,315.42
  5. Step 5: Solve for x
    x = 8,799,352,315.42/107,215.44
  6. Step 6: Final answer
    x = 82,071.69

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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.