Home / 87,029.93-130,543.07-47,067.97

Finding the Fourth Proportional to 87,029.93, 130,543.07 and 47,067.97

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Solution

The fourth proportional to 87,029.93, 130,543.07 and 47,067.97 is: 70,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,029.93 : 130,543.07 = 47,067.97 : x
  2. Step 2: Convert to fraction form
    87,029.93/130,543.07 = 47,067.97/x
  3. Step 3: Cross multiply
    87,029.93x = 130,543.07 × 47,067.97
  4. Step 4: Simplify right side
    87,029.93x = 6,144,397,302.47
  5. Step 5: Solve for x
    x = 6,144,397,302.47/87,029.93
  6. Step 6: Final answer
    x = 70,600.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.