Home / 90,584.29-135,266.43-73,977.26

Finding the Fourth Proportional to 90,584.29, 135,266.43 and 73,977.26

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Solution

The fourth proportional to 90,584.29, 135,266.43 and 73,977.26 is: 110,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,584.29 : 135,266.43 = 73,977.26 : x
  2. Step 2: Convert to fraction form
    90,584.29/135,266.43 = 73,977.26/x
  3. Step 3: Cross multiply
    90,584.29x = 135,266.43 × 73,977.26
  4. Step 4: Simplify right side
    90,584.29x = 10,006,639,491.50
  5. Step 5: Solve for x
    x = 10,006,639,491.50/90,584.29
  6. Step 6: Final answer
    x = 110,467.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.