Home / 85,185.97-117,557.10-48,884.52

Finding the Fourth Proportional to 85,185.97, 117,557.10 and 48,884.52

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Solution

The fourth proportional to 85,185.97, 117,557.10 and 48,884.52 is: 67,460.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,185.97 : 117,557.10 = 48,884.52 : x
  2. Step 2: Convert to fraction form
    85,185.97/117,557.10 = 48,884.52/x
  3. Step 3: Cross multiply
    85,185.97x = 117,557.10 × 48,884.52
  4. Step 4: Simplify right side
    85,185.97x = 5,746,723,002.97
  5. Step 5: Solve for x
    x = 5,746,723,002.97/85,185.97
  6. Step 6: Final answer
    x = 67,460.91

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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.