Home / 67,986.12-93,813.62-39,301.24

Finding the Fourth Proportional to 67,986.12, 93,813.62 and 39,301.24

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Solution

The fourth proportional to 67,986.12, 93,813.62 and 39,301.24 is: 54,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,986.12 : 93,813.62 = 39,301.24 : x
  2. Step 2: Convert to fraction form
    67,986.12/93,813.62 = 39,301.24/x
  3. Step 3: Cross multiply
    67,986.12x = 93,813.62 × 39,301.24
  4. Step 4: Simplify right side
    67,986.12x = 3,686,991,125.82
  5. Step 5: Solve for x
    x = 3,686,991,125.82/67,986.12
  6. Step 6: Final answer
    x = 54,231.53

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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.