Home / 89,263.31-123,071.27-65,348.46

Finding the Fourth Proportional to 89,263.31, 123,071.27 and 65,348.46

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Solution

The fourth proportional to 89,263.31, 123,071.27 and 65,348.46 is: 90,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,263.31 : 123,071.27 = 65,348.46 : x
  2. Step 2: Convert to fraction form
    89,263.31/123,071.27 = 65,348.46/x
  3. Step 3: Cross multiply
    89,263.31x = 123,071.27 × 65,348.46
  4. Step 4: Simplify right side
    89,263.31x = 8,042,517,638.00
  5. Step 5: Solve for x
    x = 8,042,517,638.00/89,263.31
  6. Step 6: Final answer
    x = 90,098.81

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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.