Home / 97,144.65-145,688.94-40,997.34

Finding the Fourth Proportional to 97,144.65, 145,688.94 and 40,997.34

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Solution

The fourth proportional to 97,144.65, 145,688.94 and 40,997.34 is: 61,484.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,144.65 : 145,688.94 = 40,997.34 : x
  2. Step 2: Convert to fraction form
    97,144.65/145,688.94 = 40,997.34/x
  3. Step 3: Cross multiply
    97,144.65x = 145,688.94 × 40,997.34
  4. Step 4: Simplify right side
    97,144.65x = 5,972,859,007.42
  5. Step 5: Solve for x
    x = 5,972,859,007.42/97,144.65
  6. Step 6: Final answer
    x = 61,484.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.