Home / 89,867.25-124,016.57-49,580.88

Finding the Fourth Proportional to 89,867.25, 124,016.57 and 49,580.88

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Solution

The fourth proportional to 89,867.25, 124,016.57 and 49,580.88 is: 68,421.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,867.25 : 124,016.57 = 49,580.88 : x
  2. Step 2: Convert to fraction form
    89,867.25/124,016.57 = 49,580.88/x
  3. Step 3: Cross multiply
    89,867.25x = 124,016.57 × 49,580.88
  4. Step 4: Simplify right side
    89,867.25x = 6,148,851,194.53
  5. Step 5: Solve for x
    x = 6,148,851,194.53/89,867.25
  6. Step 6: Final answer
    x = 68,421.49

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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.