Home / 90,222.66-124,489.98-49,934.52

Finding the Fourth Proportional to 90,222.66, 124,489.98 and 49,934.52

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Solution

The fourth proportional to 90,222.66, 124,489.98 and 49,934.52 is: 68,900.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222.66 : 124,489.98 = 49,934.52 : x
  2. Step 2: Convert to fraction form
    90,222.66/124,489.98 = 49,934.52/x
  3. Step 3: Cross multiply
    90,222.66x = 124,489.98 × 49,934.52
  4. Step 4: Simplify right side
    90,222.66x = 6,216,347,396.11
  5. Step 5: Solve for x
    x = 6,216,347,396.11/90,222.66
  6. Step 6: Final answer
    x = 68,900.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.