Home / 89,306.48-123,277.56-67,015.28

Finding the Fourth Proportional to 89,306.48, 123,277.56 and 67,015.28

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Solution

The fourth proportional to 89,306.48, 123,277.56 and 67,015.28 is: 92,507.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,306.48 : 123,277.56 = 67,015.28 : x
  2. Step 2: Convert to fraction form
    89,306.48/123,277.56 = 67,015.28/x
  3. Step 3: Cross multiply
    89,306.48x = 123,277.56 × 67,015.28
  4. Step 4: Simplify right side
    89,306.48x = 8,261,480,201.12
  5. Step 5: Solve for x
    x = 8,261,480,201.12/89,306.48
  6. Step 6: Final answer
    x = 92,507.06

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1.5x scale

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.