Home / 75,033.07-112,508.04-30,690.96

Finding the Fourth Proportional to 75,033.07, 112,508.04 and 30,690.96

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Solution

The fourth proportional to 75,033.07, 112,508.04 and 30,690.96 is: 46,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,033.07 : 112,508.04 = 30,690.96 : x
  2. Step 2: Convert to fraction form
    75,033.07/112,508.04 = 30,690.96/x
  3. Step 3: Cross multiply
    75,033.07x = 112,508.04 × 30,690.96
  4. Step 4: Simplify right side
    75,033.07x = 3,452,979,755.32
  5. Step 5: Solve for x
    x = 3,452,979,755.32/75,033.07
  6. Step 6: Final answer
    x = 46,019.44

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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.