Home / 97,738.31-134,805.06-67,574.12

Finding the Fourth Proportional to 97,738.31, 134,805.06 and 67,574.12

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Solution

The fourth proportional to 97,738.31, 134,805.06 and 67,574.12 is: 93,201.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,738.31 : 134,805.06 = 67,574.12 : x
  2. Step 2: Convert to fraction form
    97,738.31/134,805.06 = 67,574.12/x
  3. Step 3: Cross multiply
    97,738.31x = 134,805.06 × 67,574.12
  4. Step 4: Simplify right side
    97,738.31x = 9,109,332,627.02
  5. Step 5: Solve for x
    x = 9,109,332,627.02/97,738.31
  6. Step 6: Final answer
    x = 93,201.25

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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.