Home / 85,127.10-117,470.88-48,826.68

Finding the Fourth Proportional to 85,127.10, 117,470.88 and 48,826.68

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Solution

The fourth proportional to 85,127.10, 117,470.88 and 48,826.68 is: 67,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,127.10 : 117,470.88 = 48,826.68 : x
  2. Step 2: Convert to fraction form
    85,127.10/117,470.88 = 48,826.68/x
  3. Step 3: Cross multiply
    85,127.10x = 117,470.88 × 48,826.68
  4. Step 4: Simplify right side
    85,127.10x = 5,735,713,067.08
  5. Step 5: Solve for x
    x = 5,735,713,067.08/85,127.10
  6. Step 6: Final answer
    x = 67,378.23

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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.