Home / 85,125.54-117,468.71-48,825.11

Finding the Fourth Proportional to 85,125.54, 117,468.71 and 48,825.11

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Solution

The fourth proportional to 85,125.54, 117,468.71 and 48,825.11 is: 67,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,125.54 : 117,468.71 = 48,825.11 : x
  2. Step 2: Convert to fraction form
    85,125.54/117,468.71 = 48,825.11/x
  3. Step 3: Cross multiply
    85,125.54x = 117,468.71 × 48,825.11
  4. Step 4: Simplify right side
    85,125.54x = 5,735,422,687.31
  5. Step 5: Solve for x
    x = 5,735,422,687.31/85,125.54
  6. Step 6: Final answer
    x = 67,376.05

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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.