Home / 92,422.72-127,543.36-49,981.26

Finding the Fourth Proportional to 92,422.72, 127,543.36 and 49,981.26

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Solution

The fourth proportional to 92,422.72, 127,543.36 and 49,981.26 is: 68,974.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,422.72 : 127,543.36 = 49,981.26 : x
  2. Step 2: Convert to fraction form
    92,422.72/127,543.36 = 49,981.26/x
  3. Step 3: Cross multiply
    92,422.72x = 127,543.36 × 49,981.26
  4. Step 4: Simplify right side
    92,422.72x = 6,374,777,837.43
  5. Step 5: Solve for x
    x = 6,374,777,837.43/92,422.72
  6. Step 6: Final answer
    x = 68,974.14

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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.