Home / 68,162.80-94,062.36-38,349.04

Finding the Fourth Proportional to 68,162.80, 94,062.36 and 38,349.04

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Solution

The fourth proportional to 68,162.80, 94,062.36 and 38,349.04 is: 52,920.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,162.80 : 94,062.36 = 38,349.04 : x
  2. Step 2: Convert to fraction form
    68,162.80/94,062.36 = 38,349.04/x
  3. Step 3: Cross multiply
    68,162.80x = 94,062.36 × 38,349.04
  4. Step 4: Simplify right side
    68,162.80x = 3,607,201,206.13
  5. Step 5: Solve for x
    x = 3,607,201,206.13/68,162.80
  6. Step 6: Final answer
    x = 52,920.38

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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.