Home / 52,731.12-79,100.88-15,291.84

Finding the Fourth Proportional to 52,731.12, 79,100.88 and 15,291.84

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Solution

The fourth proportional to 52,731.12, 79,100.88 and 15,291.84 is: 22,938.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,731.12 : 79,100.88 = 15,291.84 : x
  2. Step 2: Convert to fraction form
    52,731.12/79,100.88 = 15,291.84/x
  3. Step 3: Cross multiply
    52,731.12x = 79,100.88 × 15,291.84
  4. Step 4: Simplify right side
    52,731.12x = 1,209,598,000.82
  5. Step 5: Solve for x
    x = 1,209,598,000.82/52,731.12
  6. Step 6: Final answer
    x = 22,938.98

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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.