Home / 90,833.11-136,052.74-43,987.75

Finding the Fourth Proportional to 90,833.11, 136,052.74 and 43,987.75

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Solution

The fourth proportional to 90,833.11, 136,052.74 and 43,987.75 is: 65,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.11 : 136,052.74 = 43,987.75 : x
  2. Step 2: Convert to fraction form
    90,833.11/136,052.74 = 43,987.75/x
  3. Step 3: Cross multiply
    90,833.11x = 136,052.74 × 43,987.75
  4. Step 4: Simplify right side
    90,833.11x = 5,984,653,913.94
  5. Step 5: Solve for x
    x = 5,984,653,913.94/90,833.11
  6. Step 6: Final answer
    x = 65,886.26

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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.