Home / 52,412.28-78,621.12-14,969.40

Finding the Fourth Proportional to 52,412.28, 78,621.12 and 14,969.40

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Solution

The fourth proportional to 52,412.28, 78,621.12 and 14,969.40 is: 22,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,412.28 : 78,621.12 = 14,969.40 : x
  2. Step 2: Convert to fraction form
    52,412.28/78,621.12 = 14,969.40/x
  3. Step 3: Cross multiply
    52,412.28x = 78,621.12 × 14,969.40
  4. Step 4: Simplify right side
    52,412.28x = 1,176,910,993.73
  5. Step 5: Solve for x
    x = 1,176,910,993.73/52,412.28
  6. Step 6: Final answer
    x = 22,454.87

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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.