Home / 92,721.66-127,956-50,280.18

Finding the Fourth Proportional to 92,721.66, 127,956 and 50,280.18

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Solution

The fourth proportional to 92,721.66, 127,956 and 50,280.18 is: 69,386.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,721.66 : 127,956 = 50,280.18 : x
  2. Step 2: Convert to fraction form
    92,721.66/127,956 = 50,280.18/x
  3. Step 3: Cross multiply
    92,721.66x = 127,956 × 50,280.18
  4. Step 4: Simplify right side
    92,721.66x = 6,433,650,712.08
  5. Step 5: Solve for x
    x = 6,433,650,712.08/92,721.66
  6. Step 6: Final answer
    x = 69,386.71

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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.