Home / 71,301.68-107,146.38-38,045.24

Finding the Fourth Proportional to 71,301.68, 107,146.38 and 38,045.24

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Solution

The fourth proportional to 71,301.68, 107,146.38 and 38,045.24 is: 57,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.68 : 107,146.38 = 38,045.24 : x
  2. Step 2: Convert to fraction form
    71,301.68/107,146.38 = 38,045.24/x
  3. Step 3: Cross multiply
    71,301.68x = 107,146.38 × 38,045.24
  4. Step 4: Simplify right side
    71,301.68x = 4,076,409,742.23
  5. Step 5: Solve for x
    x = 4,076,409,742.23/71,301.68
  6. Step 6: Final answer
    x = 57,171.30

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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.