Home / 71,346.04-98,458.32-39,515.44

Finding the Fourth Proportional to 71,346.04, 98,458.32 and 39,515.44

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Solution

The fourth proportional to 71,346.04, 98,458.32 and 39,515.44 is: 54,531.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,346.04 : 98,458.32 = 39,515.44 : x
  2. Step 2: Convert to fraction form
    71,346.04/98,458.32 = 39,515.44/x
  3. Step 3: Cross multiply
    71,346.04x = 98,458.32 × 39,515.44
  4. Step 4: Simplify right side
    71,346.04x = 3,890,623,836.46
  5. Step 5: Solve for x
    x = 3,890,623,836.46/71,346.04
  6. Step 6: Final answer
    x = 54,531.74

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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.