Home / 68,616.10-102,778.35-56,952.10

Finding the Fourth Proportional to 68,616.10, 102,778.35 and 56,952.10

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Solution

The fourth proportional to 68,616.10, 102,778.35 and 56,952.10 is: 85,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,616.10 : 102,778.35 = 56,952.10 : x
  2. Step 2: Convert to fraction form
    68,616.10/102,778.35 = 56,952.10/x
  3. Step 3: Cross multiply
    68,616.10x = 102,778.35 × 56,952.10
  4. Step 4: Simplify right side
    68,616.10x = 5,853,442,867.04
  5. Step 5: Solve for x
    x = 5,853,442,867.04/68,616.10
  6. Step 6: Final answer
    x = 85,307.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.