Home / 62,849.28-94,251.60-20,719.20

Finding the Fourth Proportional to 62,849.28, 94,251.60 and 20,719.20

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Solution

The fourth proportional to 62,849.28, 94,251.60 and 20,719.20 is: 31,071.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,849.28 : 94,251.60 = 20,719.20 : x
  2. Step 2: Convert to fraction form
    62,849.28/94,251.60 = 20,719.20/x
  3. Step 3: Cross multiply
    62,849.28x = 94,251.60 × 20,719.20
  4. Step 4: Simplify right side
    62,849.28x = 1,952,817,750.72
  5. Step 5: Solve for x
    x = 1,952,817,750.72/62,849.28
  6. Step 6: Final answer
    x = 31,071.44

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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.