Home / 49,766.96-68,673.28-30,643.68

Finding the Fourth Proportional to 49,766.96, 68,673.28 and 30,643.68

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Solution

The fourth proportional to 49,766.96, 68,673.28 and 30,643.68 is: 42,285.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,766.96 : 68,673.28 = 30,643.68 : x
  2. Step 2: Convert to fraction form
    49,766.96/68,673.28 = 30,643.68/x
  3. Step 3: Cross multiply
    49,766.96x = 68,673.28 × 30,643.68
  4. Step 4: Simplify right side
    49,766.96x = 2,104,402,016.87
  5. Step 5: Solve for x
    x = 2,104,402,016.87/49,766.96
  6. Step 6: Final answer
    x = 42,285.12

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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.