Home / 88,205.60-121,720.92-50,479.04

Finding the Fourth Proportional to 88,205.60, 121,720.92 and 50,479.04

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Solution

The fourth proportional to 88,205.60, 121,720.92 and 50,479.04 is: 69,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,205.60 : 121,720.92 = 50,479.04 : x
  2. Step 2: Convert to fraction form
    88,205.60/121,720.92 = 50,479.04/x
  3. Step 3: Cross multiply
    88,205.60x = 121,720.92 × 50,479.04
  4. Step 4: Simplify right side
    88,205.60x = 6,144,355,189.52
  5. Step 5: Solve for x
    x = 6,144,355,189.52/88,205.60
  6. Step 6: Final answer
    x = 69,659.47

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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.