Home / 89,068.44-122,915.84-48,781.47

Finding the Fourth Proportional to 89,068.44, 122,915.84 and 48,781.47

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Solution

The fourth proportional to 89,068.44, 122,915.84 and 48,781.47 is: 67,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,068.44 : 122,915.84 = 48,781.47 : x
  2. Step 2: Convert to fraction form
    89,068.44/122,915.84 = 48,781.47/x
  3. Step 3: Cross multiply
    89,068.44x = 122,915.84 × 48,781.47
  4. Step 4: Simplify right side
    89,068.44x = 5,996,015,117.58
  5. Step 5: Solve for x
    x = 5,996,015,117.58/89,068.44
  6. Step 6: Final answer
    x = 67,319.19

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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.