Home / 71,640.18-98,834.58-43,296.66

Finding the Fourth Proportional to 71,640.18, 98,834.58 and 43,296.66

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Solution

The fourth proportional to 71,640.18, 98,834.58 and 43,296.66 is: 59,731.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,640.18 : 98,834.58 = 43,296.66 : x
  2. Step 2: Convert to fraction form
    71,640.18/98,834.58 = 43,296.66/x
  3. Step 3: Cross multiply
    71,640.18x = 98,834.58 × 43,296.66
  4. Step 4: Simplify right side
    71,640.18x = 4,279,207,206.50
  5. Step 5: Solve for x
    x = 4,279,207,206.50/71,640.18
  6. Step 6: Final answer
    x = 59,731.94

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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.