Home / 73,975.76-102,089.76-41,721.20

Finding the Fourth Proportional to 73,975.76, 102,089.76 and 41,721.20

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Solution

The fourth proportional to 73,975.76, 102,089.76 and 41,721.20 is: 57,577.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,975.76 : 102,089.76 = 41,721.20 : x
  2. Step 2: Convert to fraction form
    73,975.76/102,089.76 = 41,721.20/x
  3. Step 3: Cross multiply
    73,975.76x = 102,089.76 × 41,721.20
  4. Step 4: Simplify right side
    73,975.76x = 4,259,307,294.91
  5. Step 5: Solve for x
    x = 4,259,307,294.91/73,975.76
  6. Step 6: Final answer
    x = 57,577.07

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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.