Home / 52,248.24-78,347.66-20,242.30

Finding the Fourth Proportional to 52,248.24, 78,347.66 and 20,242.30

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Solution

The fourth proportional to 52,248.24, 78,347.66 and 20,242.30 is: 30,353.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,248.24 : 78,347.66 = 20,242.30 : x
  2. Step 2: Convert to fraction form
    52,248.24/78,347.66 = 20,242.30/x
  3. Step 3: Cross multiply
    52,248.24x = 78,347.66 × 20,242.30
  4. Step 4: Simplify right side
    52,248.24x = 1,585,936,838.02
  5. Step 5: Solve for x
    x = 1,585,936,838.02/52,248.24
  6. Step 6: Final answer
    x = 30,353.88

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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.