Home / 92,541.76-127,707.80-50,100.48

Finding the Fourth Proportional to 92,541.76, 127,707.80 and 50,100.48

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Solution

The fourth proportional to 92,541.76, 127,707.80 and 50,100.48 is: 69,138.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.76 : 127,707.80 = 50,100.48 : x
  2. Step 2: Convert to fraction form
    92,541.76/127,707.80 = 50,100.48/x
  3. Step 3: Cross multiply
    92,541.76x = 127,707.80 × 50,100.48
  4. Step 4: Simplify right side
    92,541.76x = 6,398,222,079.74
  5. Step 5: Solve for x
    x = 6,398,222,079.74/92,541.76
  6. Step 6: Final answer
    x = 69,138.76

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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.