Home / 90,834.92-136,318.62-46,498.76

Finding the Fourth Proportional to 90,834.92, 136,318.62 and 46,498.76

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Solution

The fourth proportional to 90,834.92, 136,318.62 and 46,498.76 is: 69,782.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,834.92 : 136,318.62 = 46,498.76 : x
  2. Step 2: Convert to fraction form
    90,834.92/136,318.62 = 46,498.76/x
  3. Step 3: Cross multiply
    90,834.92x = 136,318.62 × 46,498.76
  4. Step 4: Simplify right side
    90,834.92x = 6,338,646,794.91
  5. Step 5: Solve for x
    x = 6,338,646,794.91/90,834.92
  6. Step 6: Final answer
    x = 69,782.05

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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.