Home / 80,801.08-121,145.41-35,798.02

Finding the Fourth Proportional to 80,801.08, 121,145.41 and 35,798.02

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Solution

The fourth proportional to 80,801.08, 121,145.41 and 35,798.02 is: 53,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,801.08 : 121,145.41 = 35,798.02 : x
  2. Step 2: Convert to fraction form
    80,801.08/121,145.41 = 35,798.02/x
  3. Step 3: Cross multiply
    80,801.08x = 121,145.41 × 35,798.02
  4. Step 4: Simplify right side
    80,801.08x = 4,336,765,644.88
  5. Step 5: Solve for x
    x = 4,336,765,644.88/80,801.08
  6. Step 6: Final answer
    x = 53,672.13

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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.