Home / 124,844.03-172,287.81-75,786.23

Finding the Fourth Proportional to 124,844.03, 172,287.81 and 75,786.23

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Solution

The fourth proportional to 124,844.03, 172,287.81 and 75,786.23 is: 104,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,844.03 : 172,287.81 = 75,786.23 : x
  2. Step 2: Convert to fraction form
    124,844.03/172,287.81 = 75,786.23/x
  3. Step 3: Cross multiply
    124,844.03x = 172,287.81 × 75,786.23
  4. Step 4: Simplify right side
    124,844.03x = 13,057,043,594.86
  5. Step 5: Solve for x
    x = 13,057,043,594.86/124,844.03
  6. Step 6: Final answer
    x = 104,586.85

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1.5x scale

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.