Home / 88,080.76-121,506.24-55,760.56

Finding the Fourth Proportional to 88,080.76, 121,506.24 and 55,760.56

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Solution

The fourth proportional to 88,080.76, 121,506.24 and 55,760.56 is: 76,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,080.76 : 121,506.24 = 55,760.56 : x
  2. Step 2: Convert to fraction form
    88,080.76/121,506.24 = 55,760.56/x
  3. Step 3: Cross multiply
    88,080.76x = 121,506.24 × 55,760.56
  4. Step 4: Simplify right side
    88,080.76x = 6,775,255,985.89
  5. Step 5: Solve for x
    x = 6,775,255,985.89/88,080.76
  6. Step 6: Final answer
    x = 76,920.95

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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.