Home / 80,726.40-121,037.76-33,966.72

Finding the Fourth Proportional to 80,726.40, 121,037.76 and 33,966.72

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Solution

The fourth proportional to 80,726.40, 121,037.76 and 33,966.72 is: 50,928.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,726.40 : 121,037.76 = 33,966.72 : x
  2. Step 2: Convert to fraction form
    80,726.40/121,037.76 = 33,966.72/x
  3. Step 3: Cross multiply
    80,726.40x = 121,037.76 × 33,966.72
  4. Step 4: Simplify right side
    80,726.40x = 4,111,255,703.35
  5. Step 5: Solve for x
    x = 4,111,255,703.35/80,726.40
  6. Step 6: Final answer
    x = 50,928.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.