Home / 90,982.24-136,500.24-46,640.08

Finding the Fourth Proportional to 90,982.24, 136,500.24 and 46,640.08

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Solution

The fourth proportional to 90,982.24, 136,500.24 and 46,640.08 is: 69,973.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,982.24 : 136,500.24 = 46,640.08 : x
  2. Step 2: Convert to fraction form
    90,982.24/136,500.24 = 46,640.08/x
  3. Step 3: Cross multiply
    90,982.24x = 136,500.24 × 46,640.08
  4. Step 4: Simplify right side
    90,982.24x = 6,366,382,113.62
  5. Step 5: Solve for x
    x = 6,366,382,113.62/90,982.24
  6. Step 6: Final answer
    x = 69,973.90

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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.