Home / 71,540.24-98,711.16-43,247.60

Finding the Fourth Proportional to 71,540.24, 98,711.16 and 43,247.60

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Solution

The fourth proportional to 71,540.24, 98,711.16 and 43,247.60 is: 59,673.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,540.24 : 98,711.16 = 43,247.60 : x
  2. Step 2: Convert to fraction form
    71,540.24/98,711.16 = 43,247.60/x
  3. Step 3: Cross multiply
    71,540.24x = 98,711.16 × 43,247.60
  4. Step 4: Simplify right side
    71,540.24x = 4,269,020,763.22
  5. Step 5: Solve for x
    x = 4,269,020,763.22/71,540.24
  6. Step 6: Final answer
    x = 59,673.00

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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.