Home / 68,516.65-94,553.50-38,303.20

Finding the Fourth Proportional to 68,516.65, 94,553.50 and 38,303.20

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Solution

The fourth proportional to 68,516.65, 94,553.50 and 38,303.20 is: 52,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,516.65 : 94,553.50 = 38,303.20 : x
  2. Step 2: Convert to fraction form
    68,516.65/94,553.50 = 38,303.20/x
  3. Step 3: Cross multiply
    68,516.65x = 94,553.50 × 38,303.20
  4. Step 4: Simplify right side
    68,516.65x = 3,621,701,621.20
  5. Step 5: Solve for x
    x = 3,621,701,621.20/68,516.65
  6. Step 6: Final answer
    x = 52,858.71

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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.