Home / 83,476.28-115,174.83-47,659.16

Finding the Fourth Proportional to 83,476.28, 115,174.83 and 47,659.16

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Solution

The fourth proportional to 83,476.28, 115,174.83 and 47,659.16 is: 65,756.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,476.28 : 115,174.83 = 47,659.16 : x
  2. Step 2: Convert to fraction form
    83,476.28/115,174.83 = 47,659.16/x
  3. Step 3: Cross multiply
    83,476.28x = 115,174.83 × 47,659.16
  4. Step 4: Simplify right side
    83,476.28x = 5,489,135,075.07
  5. Step 5: Solve for x
    x = 5,489,135,075.07/83,476.28
  6. Step 6: Final answer
    x = 65,756.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.