Home / 87,882.80-121,277.66-47,595.65

Finding the Fourth Proportional to 87,882.80, 121,277.66 and 47,595.65

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Solution

The fourth proportional to 87,882.80, 121,277.66 and 47,595.65 is: 65,681.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.80 : 121,277.66 = 47,595.65 : x
  2. Step 2: Convert to fraction form
    87,882.80/121,277.66 = 47,595.65/x
  3. Step 3: Cross multiply
    87,882.80x = 121,277.66 × 47,595.65
  4. Step 4: Simplify right side
    87,882.80x = 5,772,288,213.81
  5. Step 5: Solve for x
    x = 5,772,288,213.81/87,882.80
  6. Step 6: Final answer
    x = 65,681.66

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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.