Home / 71,572.24-98,772.70-39,744.10

Finding the Fourth Proportional to 71,572.24, 98,772.70 and 39,744.10

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Solution

The fourth proportional to 71,572.24, 98,772.70 and 39,744.10 is: 54,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,572.24 : 98,772.70 = 39,744.10 : x
  2. Step 2: Convert to fraction form
    71,572.24/98,772.70 = 39,744.10/x
  3. Step 3: Cross multiply
    71,572.24x = 98,772.70 × 39,744.10
  4. Step 4: Simplify right side
    71,572.24x = 3,925,631,572.21
  5. Step 5: Solve for x
    x = 3,925,631,572.21/71,572.24
  6. Step 6: Final answer
    x = 54,848.53

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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.