Home / 124,893.80-172,342.66-70,442.97

Finding the Fourth Proportional to 124,893.80, 172,342.66 and 70,442.97

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Solution

The fourth proportional to 124,893.80, 172,342.66 and 70,442.97 is: 97,205.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,893.80 : 172,342.66 = 70,442.97 : x
  2. Step 2: Convert to fraction form
    124,893.80/172,342.66 = 70,442.97/x
  3. Step 3: Cross multiply
    124,893.80x = 172,342.66 × 70,442.97
  4. Step 4: Simplify right side
    124,893.80x = 12,140,328,335.91
  5. Step 5: Solve for x
    x = 12,140,328,335.91/124,893.80
  6. Step 6: Final answer
    x = 97,205.21

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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.