Home / 97,723.71-134,969.22-65,837.25

Finding the Fourth Proportional to 97,723.71, 134,969.22 and 65,837.25

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Solution

The fourth proportional to 97,723.71, 134,969.22 and 65,837.25 is: 90,929.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,723.71 : 134,969.22 = 65,837.25 : x
  2. Step 2: Convert to fraction form
    97,723.71/134,969.22 = 65,837.25/x
  3. Step 3: Cross multiply
    97,723.71x = 134,969.22 × 65,837.25
  4. Step 4: Simplify right side
    97,723.71x = 8,886,002,279.45
  5. Step 5: Solve for x
    x = 8,886,002,279.45/97,723.71
  6. Step 6: Final answer
    x = 90,929.85

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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.