Home / 92,569.20-127,745.28-50,127.72

Finding the Fourth Proportional to 92,569.20, 127,745.28 and 50,127.72

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Solution

The fourth proportional to 92,569.20, 127,745.28 and 50,127.72 is: 69,176.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,569.20 : 127,745.28 = 50,127.72 : x
  2. Step 2: Convert to fraction form
    92,569.20/127,745.28 = 50,127.72/x
  3. Step 3: Cross multiply
    92,569.20x = 127,745.28 × 50,127.72
  4. Step 4: Simplify right side
    92,569.20x = 6,403,579,627.16
  5. Step 5: Solve for x
    x = 6,403,579,627.16/92,569.20
  6. Step 6: Final answer
    x = 69,176.14

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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.