Home / 124,911.75-172,380.99-68,323.13

Finding the Fourth Proportional to 124,911.75, 172,380.99 and 68,323.13

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Solution

The fourth proportional to 124,911.75, 172,380.99 and 68,323.13 is: 94,287.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,911.75 : 172,380.99 = 68,323.13 : x
  2. Step 2: Convert to fraction form
    124,911.75/172,380.99 = 68,323.13/x
  3. Step 3: Cross multiply
    124,911.75x = 172,380.99 × 68,323.13
  4. Step 4: Simplify right side
    124,911.75x = 11,777,607,927.39
  5. Step 5: Solve for x
    x = 11,777,607,927.39/124,911.75
  6. Step 6: Final answer
    x = 94,287.43

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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.