Home / 52,559.28-78,842.80-15,117.84

Finding the Fourth Proportional to 52,559.28, 78,842.80 and 15,117.84

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Solution

The fourth proportional to 52,559.28, 78,842.80 and 15,117.84 is: 22,677.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,559.28 : 78,842.80 = 15,117.84 : x
  2. Step 2: Convert to fraction form
    52,559.28/78,842.80 = 15,117.84/x
  3. Step 3: Cross multiply
    52,559.28x = 78,842.80 × 15,117.84
  4. Step 4: Simplify right side
    52,559.28x = 1,191,932,835.55
  5. Step 5: Solve for x
    x = 1,191,932,835.55/52,559.28
  6. Step 6: Final answer
    x = 22,677.88

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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.