Home / 80,427.60-120,649.59-27,836.93

Finding the Fourth Proportional to 80,427.60, 120,649.59 and 27,836.93

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Solution

The fourth proportional to 80,427.60, 120,649.59 and 27,836.93 is: 41,758.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,427.60 : 120,649.59 = 27,836.93 : x
  2. Step 2: Convert to fraction form
    80,427.60/120,649.59 = 27,836.93/x
  3. Step 3: Cross multiply
    80,427.60x = 120,649.59 × 27,836.93
  4. Step 4: Simplify right side
    80,427.60x = 3,358,513,588.11
  5. Step 5: Solve for x
    x = 3,358,513,588.11/80,427.60
  6. Step 6: Final answer
    x = 41,758.22

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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.