Home / 61,370.12-84,689.50-34,145.60

Finding the Fourth Proportional to 61,370.12, 84,689.50 and 34,145.60

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Solution

The fourth proportional to 61,370.12, 84,689.50 and 34,145.60 is: 47,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,370.12 : 84,689.50 = 34,145.60 : x
  2. Step 2: Convert to fraction form
    61,370.12/84,689.50 = 34,145.60/x
  3. Step 3: Cross multiply
    61,370.12x = 84,689.50 × 34,145.60
  4. Step 4: Simplify right side
    61,370.12x = 2,891,773,791.20
  5. Step 5: Solve for x
    x = 2,891,773,791.20/61,370.12
  6. Step 6: Final answer
    x = 47,120.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.