Home / 87,882.90-121,277.70-47,595.73

Finding the Fourth Proportional to 87,882.90, 121,277.70 and 47,595.73

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Solution

The fourth proportional to 87,882.90, 121,277.70 and 47,595.73 is: 65,681.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,882.90 : 121,277.70 = 47,595.73 : x
  2. Step 2: Convert to fraction form
    87,882.90/121,277.70 = 47,595.73/x
  3. Step 3: Cross multiply
    87,882.90x = 121,277.70 × 47,595.73
  4. Step 4: Simplify right side
    87,882.90x = 5,772,300,664.22
  5. Step 5: Solve for x
    x = 5,772,300,664.22/87,882.90
  6. Step 6: Final answer
    x = 65,681.73

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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.