Home / 90,070.62-135,085.37-33,916.65

Finding the Fourth Proportional to 90,070.62, 135,085.37 and 33,916.65

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Solution

The fourth proportional to 90,070.62, 135,085.37 and 33,916.65 is: 50,867.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,070.62 : 135,085.37 = 33,916.65 : x
  2. Step 2: Convert to fraction form
    90,070.62/135,085.37 = 33,916.65/x
  3. Step 3: Cross multiply
    90,070.62x = 135,085.37 × 33,916.65
  4. Step 4: Simplify right side
    90,070.62x = 4,581,643,044.83
  5. Step 5: Solve for x
    x = 4,581,643,044.83/90,070.62
  6. Step 6: Final answer
    x = 50,867.23

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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.