Home / 80,731.52-121,064.93-33,353.91

Finding the Fourth Proportional to 80,731.52, 121,064.93 and 33,353.91

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Solution

The fourth proportional to 80,731.52, 121,064.93 and 33,353.91 is: 50,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,731.52 : 121,064.93 = 33,353.91 : x
  2. Step 2: Convert to fraction form
    80,731.52/121,064.93 = 33,353.91/x
  3. Step 3: Cross multiply
    80,731.52x = 121,064.93 × 33,353.91
  4. Step 4: Simplify right side
    80,731.52x = 4,037,988,737.68
  5. Step 5: Solve for x
    x = 4,037,988,737.68/80,731.52
  6. Step 6: Final answer
    x = 50,017.50

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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.