Home / 109,936.29-151,712.65-62,188.61

Finding the Fourth Proportional to 109,936.29, 151,712.65 and 62,188.61

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Solution

The fourth proportional to 109,936.29, 151,712.65 and 62,188.61 is: 85,820.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,936.29 : 151,712.65 = 62,188.61 : x
  2. Step 2: Convert to fraction form
    109,936.29/151,712.65 = 62,188.61/x
  3. Step 3: Cross multiply
    109,936.29x = 151,712.65 × 62,188.61
  4. Step 4: Simplify right side
    109,936.29x = 9,434,798,645.66
  5. Step 5: Solve for x
    x = 9,434,798,645.66/109,936.29
  6. Step 6: Final answer
    x = 85,820.60

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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.