Home / 71,209.13-98,179.25-45,670.41

Finding the Fourth Proportional to 71,209.13, 98,179.25 and 45,670.41

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Solution

The fourth proportional to 71,209.13, 98,179.25 and 45,670.41 is: 62,967.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,209.13 : 98,179.25 = 45,670.41 : x
  2. Step 2: Convert to fraction form
    71,209.13/98,179.25 = 45,670.41/x
  3. Step 3: Cross multiply
    71,209.13x = 98,179.25 × 45,670.41
  4. Step 4: Simplify right side
    71,209.13x = 4,483,886,372.64
  5. Step 5: Solve for x
    x = 4,483,886,372.64/71,209.13
  6. Step 6: Final answer
    x = 62,967.86

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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.