Home / 68,516.78-94,555.25-38,303.38

Finding the Fourth Proportional to 68,516.78, 94,555.25 and 38,303.38

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Solution

The fourth proportional to 68,516.78, 94,555.25 and 38,303.38 is: 52,859.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,516.78 : 94,555.25 = 38,303.38 : x
  2. Step 2: Convert to fraction form
    68,516.78/94,555.25 = 38,303.38/x
  3. Step 3: Cross multiply
    68,516.78x = 94,555.25 × 38,303.38
  4. Step 4: Simplify right side
    68,516.78x = 3,621,785,210.19
  5. Step 5: Solve for x
    x = 3,621,785,210.19/68,516.78
  6. Step 6: Final answer
    x = 52,859.83

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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.