Home / 68,528.57-94,571.55-38,315.16

Finding the Fourth Proportional to 68,528.57, 94,571.55 and 38,315.16

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Solution

The fourth proportional to 68,528.57, 94,571.55 and 38,315.16 is: 52,876.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,528.57 : 94,571.55 = 38,315.16 : x
  2. Step 2: Convert to fraction form
    68,528.57/94,571.55 = 38,315.16/x
  3. Step 3: Cross multiply
    68,528.57x = 94,571.55 × 38,315.16
  4. Step 4: Simplify right side
    68,528.57x = 3,623,524,069.70
  5. Step 5: Solve for x
    x = 3,623,524,069.70/68,528.57
  6. Step 6: Final answer
    x = 52,876.11

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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.