Home / 61,987.14-92,979.90-15,240.42

Finding the Fourth Proportional to 61,987.14, 92,979.90 and 15,240.42

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Solution

The fourth proportional to 61,987.14, 92,979.90 and 15,240.42 is: 22,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,987.14 : 92,979.90 = 15,240.42 : x
  2. Step 2: Convert to fraction form
    61,987.14/92,979.90 = 15,240.42/x
  3. Step 3: Cross multiply
    61,987.14x = 92,979.90 × 15,240.42
  4. Step 4: Simplify right side
    61,987.14x = 1,417,052,727.56
  5. Step 5: Solve for x
    x = 1,417,052,727.56/61,987.14
  6. Step 6: Final answer
    x = 22,860.43

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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.