Home / 87,746.86-121,090.69-49,514.51

Finding the Fourth Proportional to 87,746.86, 121,090.69 and 49,514.51

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Solution

The fourth proportional to 87,746.86, 121,090.69 and 49,514.51 is: 68,330.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,746.86 : 121,090.69 = 49,514.51 : x
  2. Step 2: Convert to fraction form
    87,746.86/121,090.69 = 49,514.51/x
  3. Step 3: Cross multiply
    87,746.86x = 121,090.69 × 49,514.51
  4. Step 4: Simplify right side
    87,746.86x = 5,995,746,180.91
  5. Step 5: Solve for x
    x = 5,995,746,180.91/87,746.86
  6. Step 6: Final answer
    x = 68,330.04

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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.