Home / 88,268.87-121,811.87-47,982.76

Finding the Fourth Proportional to 88,268.87, 121,811.87 and 47,982.76

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Solution

The fourth proportional to 88,268.87, 121,811.87 and 47,982.76 is: 66,216.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,268.87 : 121,811.87 = 47,982.76 : x
  2. Step 2: Convert to fraction form
    88,268.87/121,811.87 = 47,982.76/x
  3. Step 3: Cross multiply
    88,268.87x = 121,811.87 × 47,982.76
  4. Step 4: Simplify right side
    88,268.87x = 5,844,869,538.79
  5. Step 5: Solve for x
    x = 5,844,869,538.79/88,268.87
  6. Step 6: Final answer
    x = 66,216.66

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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.