Home / 97,407.21-146,086.20-49,995.78

Finding the Fourth Proportional to 97,407.21, 146,086.20 and 49,995.78

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Solution

The fourth proportional to 97,407.21, 146,086.20 and 49,995.78 is: 74,981.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,407.21 : 146,086.20 = 49,995.78 : x
  2. Step 2: Convert to fraction form
    97,407.21/146,086.20 = 49,995.78/x
  3. Step 3: Cross multiply
    97,407.21x = 146,086.20 × 49,995.78
  4. Step 4: Simplify right side
    97,407.21x = 7,303,693,516.24
  5. Step 5: Solve for x
    x = 7,303,693,516.24/97,407.21
  6. Step 6: Final answer
    x = 74,981.04

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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.