Home / 74,155.18-111,231.83-17,995.75

Finding the Fourth Proportional to 74,155.18, 111,231.83 and 17,995.75

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Solution

The fourth proportional to 74,155.18, 111,231.83 and 17,995.75 is: 26,993.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,155.18 : 111,231.83 = 17,995.75 : x
  2. Step 2: Convert to fraction form
    74,155.18/111,231.83 = 17,995.75/x
  3. Step 3: Cross multiply
    74,155.18x = 111,231.83 × 17,995.75
  4. Step 4: Simplify right side
    74,155.18x = 2,001,700,204.72
  5. Step 5: Solve for x
    x = 2,001,700,204.72/74,155.18
  6. Step 6: Final answer
    x = 26,993.40

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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.