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Finding the Fourth Proportional to 92,293.34, 127,364.85 and 49,851.87

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Solution

The fourth proportional to 92,293.34, 127,364.85 and 49,851.87 is: 68,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,293.34 : 127,364.85 = 49,851.87 : x
  2. Step 2: Convert to fraction form
    92,293.34/127,364.85 = 49,851.87/x
  3. Step 3: Cross multiply
    92,293.34x = 127,364.85 × 49,851.87
  4. Step 4: Simplify right side
    92,293.34x = 6,349,375,820.24
  5. Step 5: Solve for x
    x = 6,349,375,820.24/92,293.34
  6. Step 6: Final answer
    x = 68,795.60

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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.