Home / 68,515.65-94,552.12-38,302.20

Finding the Fourth Proportional to 68,515.65, 94,552.12 and 38,302.20

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Solution

The fourth proportional to 68,515.65, 94,552.12 and 38,302.20 is: 52,857.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,515.65 : 94,552.12 = 38,302.20 : x
  2. Step 2: Convert to fraction form
    68,515.65/94,552.12 = 38,302.20/x
  3. Step 3: Cross multiply
    68,515.65x = 94,552.12 × 38,302.20
  4. Step 4: Simplify right side
    68,515.65x = 3,621,554,114.91
  5. Step 5: Solve for x
    x = 3,621,554,114.91/68,515.65
  6. Step 6: Final answer
    x = 52,857.33

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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.