Home / 108,816.68-150,022.66-71,025.32

Finding the Fourth Proportional to 108,816.68, 150,022.66 and 71,025.32

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Solution

The fourth proportional to 108,816.68, 150,022.66 and 71,025.32 is: 97,920.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,816.68 : 150,022.66 = 71,025.32 : x
  2. Step 2: Convert to fraction form
    108,816.68/150,022.66 = 71,025.32/x
  3. Step 3: Cross multiply
    108,816.68x = 150,022.66 × 71,025.32
  4. Step 4: Simplify right side
    108,816.68x = 10,655,407,433.75
  5. Step 5: Solve for x
    x = 10,655,407,433.75/108,816.68
  6. Step 6: Final answer
    x = 97,920.72

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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.