Home / 108,017.41-149,022.45-67,660.92

Finding the Fourth Proportional to 108,017.41, 149,022.45 and 67,660.92

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Solution

The fourth proportional to 108,017.41, 149,022.45 and 67,660.92 is: 93,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,017.41 : 149,022.45 = 67,660.92 : x
  2. Step 2: Convert to fraction form
    108,017.41/149,022.45 = 67,660.92/x
  3. Step 3: Cross multiply
    108,017.41x = 149,022.45 × 67,660.92
  4. Step 4: Simplify right side
    108,017.41x = 10,082,995,322.54
  5. Step 5: Solve for x
    x = 10,082,995,322.54/108,017.41
  6. Step 6: Final answer
    x = 93,346.02

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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.