Home / 87,796.34-121,159.27-47,510.10

Finding the Fourth Proportional to 87,796.34, 121,159.27 and 47,510.10

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Solution

The fourth proportional to 87,796.34, 121,159.27 and 47,510.10 is: 65,564.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,796.34 : 121,159.27 = 47,510.10 : x
  2. Step 2: Convert to fraction form
    87,796.34/121,159.27 = 47,510.10/x
  3. Step 3: Cross multiply
    87,796.34x = 121,159.27 × 47,510.10
  4. Step 4: Simplify right side
    87,796.34x = 5,756,288,882.18
  5. Step 5: Solve for x
    x = 5,756,288,882.18/87,796.34
  6. Step 6: Final answer
    x = 65,564.11

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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.