Home / 51,301.68-76,952.17-13,865.49

Finding the Fourth Proportional to 51,301.68, 76,952.17 and 13,865.49

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Solution

The fourth proportional to 51,301.68, 76,952.17 and 13,865.49 is: 20,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,301.68 : 76,952.17 = 13,865.49 : x
  2. Step 2: Convert to fraction form
    51,301.68/76,952.17 = 13,865.49/x
  3. Step 3: Cross multiply
    51,301.68x = 76,952.17 × 13,865.49
  4. Step 4: Simplify right side
    51,301.68x = 1,066,979,543.61
  5. Step 5: Solve for x
    x = 1,066,979,543.61/51,301.68
  6. Step 6: Final answer
    x = 20,798.14

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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.