Home / 97,811.65-146,717.53-53,414.13

Finding the Fourth Proportional to 97,811.65, 146,717.53 and 53,414.13

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Solution

The fourth proportional to 97,811.65, 146,717.53 and 53,414.13 is: 80,121.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,811.65 : 146,717.53 = 53,414.13 : x
  2. Step 2: Convert to fraction form
    97,811.65/146,717.53 = 53,414.13/x
  3. Step 3: Cross multiply
    97,811.65x = 146,717.53 × 53,414.13
  4. Step 4: Simplify right side
    97,811.65x = 7,836,789,637.35
  5. Step 5: Solve for x
    x = 7,836,789,637.35/97,811.65
  6. Step 6: Final answer
    x = 80,121.23

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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.