Home / 75,004.68-112,537.26-28,270.92

Finding the Fourth Proportional to 75,004.68, 112,537.26 and 28,270.92

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Solution

The fourth proportional to 75,004.68, 112,537.26 and 28,270.92 is: 42,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,004.68 : 112,537.26 = 28,270.92 : x
  2. Step 2: Convert to fraction form
    75,004.68/112,537.26 = 28,270.92/x
  3. Step 3: Cross multiply
    75,004.68x = 112,537.26 × 28,270.92
  4. Step 4: Simplify right side
    75,004.68x = 3,181,531,874.48
  5. Step 5: Solve for x
    x = 3,181,531,874.48/75,004.68
  6. Step 6: Final answer
    x = 42,417.78

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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.