Home / 125,249.68-172,851.51-71,552.13

Finding the Fourth Proportional to 125,249.68, 172,851.51 and 71,552.13

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Solution

The fourth proportional to 125,249.68, 172,851.51 and 71,552.13 is: 98,745.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,249.68 : 172,851.51 = 71,552.13 : x
  2. Step 2: Convert to fraction form
    125,249.68/172,851.51 = 71,552.13/x
  3. Step 3: Cross multiply
    125,249.68x = 172,851.51 × 71,552.13
  4. Step 4: Simplify right side
    125,249.68x = 12,367,893,714.22
  5. Step 5: Solve for x
    x = 12,367,893,714.22/125,249.68
  6. Step 6: Final answer
    x = 98,745.91

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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.