Home / 71,179.05-98,224.47-40,969.02

Finding the Fourth Proportional to 71,179.05, 98,224.47 and 40,969.02

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Solution

The fourth proportional to 71,179.05, 98,224.47 and 40,969.02 is: 56,535.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179.05 : 98,224.47 = 40,969.02 : x
  2. Step 2: Convert to fraction form
    71,179.05/98,224.47 = 40,969.02/x
  3. Step 3: Cross multiply
    71,179.05x = 98,224.47 × 40,969.02
  4. Step 4: Simplify right side
    71,179.05x = 4,024,160,275.92
  5. Step 5: Solve for x
    x = 4,024,160,275.92/71,179.05
  6. Step 6: Final answer
    x = 56,535.74

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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.