Home / 49,519.47-68,330.73-31,624.95

Finding the Fourth Proportional to 49,519.47, 68,330.73 and 31,624.95

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Solution

The fourth proportional to 49,519.47, 68,330.73 and 31,624.95 is: 43,638.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,519.47 : 68,330.73 = 31,624.95 : x
  2. Step 2: Convert to fraction form
    49,519.47/68,330.73 = 31,624.95/x
  3. Step 3: Cross multiply
    49,519.47x = 68,330.73 × 31,624.95
  4. Step 4: Simplify right side
    49,519.47x = 2,160,955,919.71
  5. Step 5: Solve for x
    x = 2,160,955,919.71/49,519.47
  6. Step 6: Final answer
    x = 43,638.51

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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.