Home / 125,240.28-172,831.59-68,650.44

Finding the Fourth Proportional to 125,240.28, 172,831.59 and 68,650.44

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Solution

The fourth proportional to 125,240.28, 172,831.59 and 68,650.44 is: 94,737.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,240.28 : 172,831.59 = 68,650.44 : x
  2. Step 2: Convert to fraction form
    125,240.28/172,831.59 = 68,650.44/x
  3. Step 3: Cross multiply
    125,240.28x = 172,831.59 × 68,650.44
  4. Step 4: Simplify right side
    125,240.28x = 11,864,964,699.40
  5. Step 5: Solve for x
    x = 11,864,964,699.40/125,240.28
  6. Step 6: Final answer
    x = 94,737.61

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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.