Home / 71,680.68-98,892.90-43,376.04

Finding the Fourth Proportional to 71,680.68, 98,892.90 and 43,376.04

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Solution

The fourth proportional to 71,680.68, 98,892.90 and 43,376.04 is: 59,842.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,680.68 : 98,892.90 = 43,376.04 : x
  2. Step 2: Convert to fraction form
    71,680.68/98,892.90 = 43,376.04/x
  3. Step 3: Cross multiply
    71,680.68x = 98,892.90 × 43,376.04
  4. Step 4: Simplify right side
    71,680.68x = 4,289,582,386.12
  5. Step 5: Solve for x
    x = 4,289,582,386.12/71,680.68
  6. Step 6: Final answer
    x = 59,842.94

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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.