Home / 88,013.16-121,458.42-50,286.60

Finding the Fourth Proportional to 88,013.16, 121,458.42 and 50,286.60

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Solution

The fourth proportional to 88,013.16, 121,458.42 and 50,286.60 is: 69,395.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.16 : 121,458.42 = 50,286.60 : x
  2. Step 2: Convert to fraction form
    88,013.16/121,458.42 = 50,286.60/x
  3. Step 3: Cross multiply
    88,013.16x = 121,458.42 × 50,286.60
  4. Step 4: Simplify right side
    88,013.16x = 6,107,730,983.17
  5. Step 5: Solve for x
    x = 6,107,730,983.17/88,013.16
  6. Step 6: Final answer
    x = 69,395.66

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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.