Home / 87,881.26-121,275.54-47,594.08

Finding the Fourth Proportional to 87,881.26, 121,275.54 and 47,594.08

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Solution

The fourth proportional to 87,881.26, 121,275.54 and 47,594.08 is: 65,679.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,881.26 : 121,275.54 = 47,594.08 : x
  2. Step 2: Convert to fraction form
    87,881.26/121,275.54 = 47,594.08/x
  3. Step 3: Cross multiply
    87,881.26x = 121,275.54 × 47,594.08
  4. Step 4: Simplify right side
    87,881.26x = 5,771,997,752.80
  5. Step 5: Solve for x
    x = 5,771,997,752.80/87,881.26
  6. Step 6: Final answer
    x = 65,679.51

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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.