Home / 90,833.92-136,317.12-46,497.76

Finding the Fourth Proportional to 90,833.92, 136,317.12 and 46,497.76

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Solution

The fourth proportional to 90,833.92, 136,317.12 and 46,497.76 is: 69,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833.92 : 136,317.12 = 46,497.76 : x
  2. Step 2: Convert to fraction form
    90,833.92/136,317.12 = 46,497.76/x
  3. Step 3: Cross multiply
    90,833.92x = 136,317.12 × 46,497.76
  4. Step 4: Simplify right side
    90,833.92x = 6,338,440,729.65
  5. Step 5: Solve for x
    x = 6,338,440,729.65/90,833.92
  6. Step 6: Final answer
    x = 69,780.55

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1.5x scale

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.