Home / 104,760.09-157,044.78-38,185.02

Finding the Fourth Proportional to 104,760.09, 157,044.78 and 38,185.02

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Solution

The fourth proportional to 104,760.09, 157,044.78 and 38,185.02 is: 57,242.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,760.09 : 157,044.78 = 38,185.02 : x
  2. Step 2: Convert to fraction form
    104,760.09/157,044.78 = 38,185.02/x
  3. Step 3: Cross multiply
    104,760.09x = 157,044.78 × 38,185.02
  4. Step 4: Simplify right side
    104,760.09x = 5,996,758,065.20
  5. Step 5: Solve for x
    x = 5,996,758,065.20/104,760.09
  6. Step 6: Final answer
    x = 57,242.77

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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.