Home / 68,278.50-94,223.39-38,066.31

Finding the Fourth Proportional to 68,278.50, 94,223.39 and 38,066.31

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Solution

The fourth proportional to 68,278.50, 94,223.39 and 38,066.31 is: 52,530.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,278.50 : 94,223.39 = 38,066.31 : x
  2. Step 2: Convert to fraction form
    68,278.50/94,223.39 = 38,066.31/x
  3. Step 3: Cross multiply
    68,278.50x = 94,223.39 × 38,066.31
  4. Step 4: Simplify right side
    68,278.50x = 3,586,736,582.66
  5. Step 5: Solve for x
    x = 3,586,736,582.66/68,278.50
  6. Step 6: Final answer
    x = 52,530.98

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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.