Home / 68,642.02-94,727.58-38,426.56

Finding the Fourth Proportional to 68,642.02, 94,727.58 and 38,426.56

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Solution

The fourth proportional to 68,642.02, 94,727.58 and 38,426.56 is: 53,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,642.02 : 94,727.58 = 38,426.56 : x
  2. Step 2: Convert to fraction form
    68,642.02/94,727.58 = 38,426.56/x
  3. Step 3: Cross multiply
    68,642.02x = 94,727.58 × 38,426.56
  4. Step 4: Simplify right side
    68,642.02x = 3,640,055,036.52
  5. Step 5: Solve for x
    x = 3,640,055,036.52/68,642.02
  6. Step 6: Final answer
    x = 53,029.54

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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.