Home / 52,723.28-79,082.08-13,280.32

Finding the Fourth Proportional to 52,723.28, 79,082.08 and 13,280.32

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Solution

The fourth proportional to 52,723.28, 79,082.08 and 13,280.32 is: 19,919.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,723.28 : 79,082.08 = 13,280.32 : x
  2. Step 2: Convert to fraction form
    52,723.28/79,082.08 = 13,280.32/x
  3. Step 3: Cross multiply
    52,723.28x = 79,082.08 × 13,280.32
  4. Step 4: Simplify right side
    52,723.28x = 1,050,235,328.67
  5. Step 5: Solve for x
    x = 1,050,235,328.67/52,723.28
  6. Step 6: Final answer
    x = 19,919.76

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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.