Home / 68,340.46-102,510.08-21,593.34

Finding the Fourth Proportional to 68,340.46, 102,510.08 and 21,593.34

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Solution

The fourth proportional to 68,340.46, 102,510.08 and 21,593.34 is: 32,389.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,340.46 : 102,510.08 = 21,593.34 : x
  2. Step 2: Convert to fraction form
    68,340.46/102,510.08 = 21,593.34/x
  3. Step 3: Cross multiply
    68,340.46x = 102,510.08 × 21,593.34
  4. Step 4: Simplify right side
    68,340.46x = 2,213,535,010.87
  5. Step 5: Solve for x
    x = 2,213,535,010.87/68,340.46
  6. Step 6: Final answer
    x = 32,389.82

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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.