Home / 87,892.57-121,291.45-47,606.23

Finding the Fourth Proportional to 87,892.57, 121,291.45 and 47,606.23

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Solution

The fourth proportional to 87,892.57, 121,291.45 and 47,606.23 is: 65,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,892.57 : 121,291.45 = 47,606.23 : x
  2. Step 2: Convert to fraction form
    87,892.57/121,291.45 = 47,606.23/x
  3. Step 3: Cross multiply
    87,892.57x = 121,291.45 × 47,606.23
  4. Step 4: Simplify right side
    87,892.57x = 5,774,228,665.73
  5. Step 5: Solve for x
    x = 5,774,228,665.73/87,892.57
  6. Step 6: Final answer
    x = 65,696.44

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1.5x scale

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.