Home / 76,264.86-105,249.38-43,987.48

Finding the Fourth Proportional to 76,264.86, 105,249.38 and 43,987.48

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Solution

The fourth proportional to 76,264.86, 105,249.38 and 43,987.48 is: 60,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,264.86 : 105,249.38 = 43,987.48 : x
  2. Step 2: Convert to fraction form
    76,264.86/105,249.38 = 43,987.48/x
  3. Step 3: Cross multiply
    76,264.86x = 105,249.38 × 43,987.48
  4. Step 4: Simplify right side
    76,264.86x = 4,629,654,514.70
  5. Step 5: Solve for x
    x = 4,629,654,514.70/76,264.86
  6. Step 6: Final answer
    x = 60,704.95

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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.