Home / 51,373.72-77,082.84-18,117.56

Finding the Fourth Proportional to 51,373.72, 77,082.84 and 18,117.56

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Solution

The fourth proportional to 51,373.72, 77,082.84 and 18,117.56 is: 27,184.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,373.72 : 77,082.84 = 18,117.56 : x
  2. Step 2: Convert to fraction form
    51,373.72/77,082.84 = 18,117.56/x
  3. Step 3: Cross multiply
    51,373.72x = 77,082.84 × 18,117.56
  4. Step 4: Simplify right side
    51,373.72x = 1,396,552,978.67
  5. Step 5: Solve for x
    x = 1,396,552,978.67/51,373.72
  6. Step 6: Final answer
    x = 27,184.19

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1.5x scale

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.