Home / 68,280.75-94,226.49-38,068.56

Finding the Fourth Proportional to 68,280.75, 94,226.49 and 38,068.56

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Solution

The fourth proportional to 68,280.75, 94,226.49 and 38,068.56 is: 52,534.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,280.75 : 94,226.49 = 38,068.56 : x
  2. Step 2: Convert to fraction form
    68,280.75/94,226.49 = 38,068.56/x
  3. Step 3: Cross multiply
    68,280.75x = 94,226.49 × 38,068.56
  4. Step 4: Simplify right side
    68,280.75x = 3,587,066,788.15
  5. Step 5: Solve for x
    x = 3,587,066,788.15/68,280.75
  6. Step 6: Final answer
    x = 52,534.09

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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.