Home / 75,150.09-112,732.65-27,777.60

Finding the Fourth Proportional to 75,150.09, 112,732.65 and 27,777.60

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Solution

The fourth proportional to 75,150.09, 112,732.65 and 27,777.60 is: 41,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,150.09 : 112,732.65 = 27,777.60 : x
  2. Step 2: Convert to fraction form
    75,150.09/112,732.65 = 27,777.60/x
  3. Step 3: Cross multiply
    75,150.09x = 112,732.65 × 27,777.60
  4. Step 4: Simplify right side
    75,150.09x = 3,131,442,458.64
  5. Step 5: Solve for x
    x = 3,131,442,458.64/75,150.09
  6. Step 6: Final answer
    x = 41,669.18

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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.