Home / 75,418.83-113,026.17-28,646.19

Finding the Fourth Proportional to 75,418.83, 113,026.17 and 28,646.19

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Solution

The fourth proportional to 75,418.83, 113,026.17 and 28,646.19 is: 42,930.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,418.83 : 113,026.17 = 28,646.19 : x
  2. Step 2: Convert to fraction form
    75,418.83/113,026.17 = 28,646.19/x
  3. Step 3: Cross multiply
    75,418.83x = 113,026.17 × 28,646.19
  4. Step 4: Simplify right side
    75,418.83x = 3,237,769,140.79
  5. Step 5: Solve for x
    x = 3,237,769,140.79/75,418.83
  6. Step 6: Final answer
    x = 42,930.51

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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.