Home / 70,816.13-106,224.20-21,568.13

Finding the Fourth Proportional to 70,816.13, 106,224.20 and 21,568.13

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Solution

The fourth proportional to 70,816.13, 106,224.20 and 21,568.13 is: 32,352.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,816.13 : 106,224.20 = 21,568.13 : x
  2. Step 2: Convert to fraction form
    70,816.13/106,224.20 = 21,568.13/x
  3. Step 3: Cross multiply
    70,816.13x = 106,224.20 × 21,568.13
  4. Step 4: Simplify right side
    70,816.13x = 2,291,056,715.78
  5. Step 5: Solve for x
    x = 2,291,056,715.78/70,816.13
  6. Step 6: Final answer
    x = 32,352.19

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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.