Home / 71,159.11-98,195.63-39,325.91

Finding the Fourth Proportional to 71,159.11, 98,195.63 and 39,325.91

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Solution

The fourth proportional to 71,159.11, 98,195.63 and 39,325.91 is: 54,267.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,159.11 : 98,195.63 = 39,325.91 : x
  2. Step 2: Convert to fraction form
    71,159.11/98,195.63 = 39,325.91/x
  3. Step 3: Cross multiply
    71,159.11x = 98,195.63 × 39,325.91
  4. Step 4: Simplify right side
    71,159.11x = 3,861,631,820.17
  5. Step 5: Solve for x
    x = 3,861,631,820.17/71,159.11
  6. Step 6: Final answer
    x = 54,267.57

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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.