Home / 92,429.28-127,552.41-49,987.80

Finding the Fourth Proportional to 92,429.28, 127,552.41 and 49,987.80

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Solution

The fourth proportional to 92,429.28, 127,552.41 and 49,987.80 is: 68,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,429.28 : 127,552.41 = 49,987.80 : x
  2. Step 2: Convert to fraction form
    92,429.28/127,552.41 = 49,987.80/x
  3. Step 3: Cross multiply
    92,429.28x = 127,552.41 × 49,987.80
  4. Step 4: Simplify right side
    92,429.28x = 6,376,064,360.60
  5. Step 5: Solve for x
    x = 6,376,064,360.60/92,429.28
  6. Step 6: Final answer
    x = 68,983.17

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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.