Home / 68,344.10-102,516.15-57,457.70

Finding the Fourth Proportional to 68,344.10, 102,516.15 and 57,457.70

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Solution

The fourth proportional to 68,344.10, 102,516.15 and 57,457.70 is: 86,186.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.10 : 102,516.15 = 57,457.70 : x
  2. Step 2: Convert to fraction form
    68,344.10/102,516.15 = 57,457.70/x
  3. Step 3: Cross multiply
    68,344.10x = 102,516.15 × 57,457.70
  4. Step 4: Simplify right side
    68,344.10x = 5,890,342,191.86
  5. Step 5: Solve for x
    x = 5,890,342,191.86/68,344.10
  6. Step 6: Final answer
    x = 86,186.55

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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.