Home / 87,802.43-121,167.35-47,516.19

Finding the Fourth Proportional to 87,802.43, 121,167.35 and 47,516.19

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Solution

The fourth proportional to 87,802.43, 121,167.35 and 47,516.19 is: 65,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,802.43 : 121,167.35 = 47,516.19 : x
  2. Step 2: Convert to fraction form
    87,802.43/121,167.35 = 47,516.19/x
  3. Step 3: Cross multiply
    87,802.43x = 121,167.35 × 47,516.19
  4. Step 4: Simplify right side
    87,802.43x = 5,757,410,586.82
  5. Step 5: Solve for x
    x = 5,757,410,586.82/87,802.43
  6. Step 6: Final answer
    x = 65,572.34

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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.