Home / 92,146.41-127,201.28-61,949.25

Finding the Fourth Proportional to 92,146.41, 127,201.28 and 61,949.25

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Solution

The fourth proportional to 92,146.41, 127,201.28 and 61,949.25 is: 85,516.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,146.41 : 127,201.28 = 61,949.25 : x
  2. Step 2: Convert to fraction form
    92,146.41/127,201.28 = 61,949.25/x
  3. Step 3: Cross multiply
    92,146.41x = 127,201.28 × 61,949.25
  4. Step 4: Simplify right side
    92,146.41x = 7,880,023,895.04
  5. Step 5: Solve for x
    x = 7,880,023,895.04/92,146.41
  6. Step 6: Final answer
    x = 85,516.34

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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.