Home / 75,434.02-113,198.68-42,175.90

Finding the Fourth Proportional to 75,434.02, 113,198.68 and 42,175.90

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Solution

The fourth proportional to 75,434.02, 113,198.68 and 42,175.90 is: 63,290.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,434.02 : 113,198.68 = 42,175.90 : x
  2. Step 2: Convert to fraction form
    75,434.02/113,198.68 = 42,175.90/x
  3. Step 3: Cross multiply
    75,434.02x = 113,198.68 × 42,175.90
  4. Step 4: Simplify right side
    75,434.02x = 4,774,256,207.81
  5. Step 5: Solve for x
    x = 4,774,256,207.81/75,434.02
  6. Step 6: Final answer
    x = 63,290.49

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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.