Home / 49,867.84-68,842.56-31,011.04

Finding the Fourth Proportional to 49,867.84, 68,842.56 and 31,011.04

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Solution

The fourth proportional to 49,867.84, 68,842.56 and 31,011.04 is: 42,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,867.84 : 68,842.56 = 31,011.04 : x
  2. Step 2: Convert to fraction form
    49,867.84/68,842.56 = 31,011.04/x
  3. Step 3: Cross multiply
    49,867.84x = 68,842.56 × 31,011.04
  4. Step 4: Simplify right side
    49,867.84x = 2,134,879,381.86
  5. Step 5: Solve for x
    x = 2,134,879,381.86/49,867.84
  6. Step 6: Final answer
    x = 42,810.74

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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.