Home / 88,013.14-121,464.57-50,286.58

Finding the Fourth Proportional to 88,013.14, 121,464.57 and 50,286.58

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Solution

The fourth proportional to 88,013.14, 121,464.57 and 50,286.58 is: 69,399.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,013.14 : 121,464.57 = 50,286.58 : x
  2. Step 2: Convert to fraction form
    88,013.14/121,464.57 = 50,286.58/x
  3. Step 3: Cross multiply
    88,013.14x = 121,464.57 × 50,286.58
  4. Step 4: Simplify right side
    88,013.14x = 6,108,037,816.47
  5. Step 5: Solve for x
    x = 6,108,037,816.47/88,013.14
  6. Step 6: Final answer
    x = 69,399.16

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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.