Home / 89,915.24-124,081.14-49,078.02

Finding the Fourth Proportional to 89,915.24, 124,081.14 and 49,078.02

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Solution

The fourth proportional to 89,915.24, 124,081.14 and 49,078.02 is: 67,726.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,915.24 : 124,081.14 = 49,078.02 : x
  2. Step 2: Convert to fraction form
    89,915.24/124,081.14 = 49,078.02/x
  3. Step 3: Cross multiply
    89,915.24x = 124,081.14 × 49,078.02
  4. Step 4: Simplify right side
    89,915.24x = 6,089,656,670.54
  5. Step 5: Solve for x
    x = 6,089,656,670.54/89,915.24
  6. Step 6: Final answer
    x = 67,726.64

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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.