Home / 125,380.82-173,023.98-68,792.16

Finding the Fourth Proportional to 125,380.82, 173,023.98 and 68,792.16

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Solution

The fourth proportional to 125,380.82, 173,023.98 and 68,792.16 is: 94,932.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,380.82 : 173,023.98 = 68,792.16 : x
  2. Step 2: Convert to fraction form
    125,380.82/173,023.98 = 68,792.16/x
  3. Step 3: Cross multiply
    125,380.82x = 173,023.98 × 68,792.16
  4. Step 4: Simplify right side
    125,380.82x = 11,902,693,316.00
  5. Step 5: Solve for x
    x = 11,902,693,316.00/125,380.82
  6. Step 6: Final answer
    x = 94,932.33

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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.