Home / 73,201.62-100,984.73-42,986.40

Finding the Fourth Proportional to 73,201.62, 100,984.73 and 42,986.40

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Solution

The fourth proportional to 73,201.62, 100,984.73 and 42,986.40 is: 59,301.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201.62 : 100,984.73 = 42,986.40 : x
  2. Step 2: Convert to fraction form
    73,201.62/100,984.73 = 42,986.40/x
  3. Step 3: Cross multiply
    73,201.62x = 100,984.73 × 42,986.40
  4. Step 4: Simplify right side
    73,201.62x = 4,340,969,404.05
  5. Step 5: Solve for x
    x = 4,340,969,404.05/73,201.62
  6. Step 6: Final answer
    x = 59,301.55

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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.