Home / 71,193.11-98,248.46-39,364.05

Finding the Fourth Proportional to 71,193.11, 98,248.46 and 39,364.05

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Solution

The fourth proportional to 71,193.11, 98,248.46 and 39,364.05 is: 54,323.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,193.11 : 98,248.46 = 39,364.05 : x
  2. Step 2: Convert to fraction form
    71,193.11/98,248.46 = 39,364.05/x
  3. Step 3: Cross multiply
    71,193.11x = 98,248.46 × 39,364.05
  4. Step 4: Simplify right side
    71,193.11x = 3,867,457,095.04
  5. Step 5: Solve for x
    x = 3,867,457,095.04/71,193.11
  6. Step 6: Final answer
    x = 54,323.48

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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.