Home / 75,291.35-112,895.77-34,720.82

Finding the Fourth Proportional to 75,291.35, 112,895.77 and 34,720.82

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Solution

The fourth proportional to 75,291.35, 112,895.77 and 34,720.82 is: 52,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,291.35 : 112,895.77 = 34,720.82 : x
  2. Step 2: Convert to fraction form
    75,291.35/112,895.77 = 34,720.82/x
  3. Step 3: Cross multiply
    75,291.35x = 112,895.77 × 34,720.82
  4. Step 4: Simplify right side
    75,291.35x = 3,919,833,708.93
  5. Step 5: Solve for x
    x = 3,919,833,708.93/75,291.35
  6. Step 6: Final answer
    x = 52,062.21

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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.