Home / 61,108.56-84,329.04-34,257.72

Finding the Fourth Proportional to 61,108.56, 84,329.04 and 34,257.72

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Solution

The fourth proportional to 61,108.56, 84,329.04 and 34,257.72 is: 47,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,108.56 : 84,329.04 = 34,257.72 : x
  2. Step 2: Convert to fraction form
    61,108.56/84,329.04 = 34,257.72/x
  3. Step 3: Cross multiply
    61,108.56x = 84,329.04 × 34,257.72
  4. Step 4: Simplify right side
    61,108.56x = 2,888,920,640.19
  5. Step 5: Solve for x
    x = 2,888,920,640.19/61,108.56
  6. Step 6: Final answer
    x = 47,275.22

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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.