Home / 83,880.86-115,755.14-48,069.95

Finding the Fourth Proportional to 83,880.86, 115,755.14 and 48,069.95

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Solution

The fourth proportional to 83,880.86, 115,755.14 and 48,069.95 is: 66,336.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,880.86 : 115,755.14 = 48,069.95 : x
  2. Step 2: Convert to fraction form
    83,880.86/115,755.14 = 48,069.95/x
  3. Step 3: Cross multiply
    83,880.86x = 115,755.14 × 48,069.95
  4. Step 4: Simplify right side
    83,880.86x = 5,564,343,333.44
  5. Step 5: Solve for x
    x = 5,564,343,333.44/83,880.86
  6. Step 6: Final answer
    x = 66,336.27

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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.