Home / 121,856.84-182,740.49-41,872.13

Finding the Fourth Proportional to 121,856.84, 182,740.49 and 41,872.13

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Solution

The fourth proportional to 121,856.84, 182,740.49 and 41,872.13 is: 62,792.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,856.84 : 182,740.49 = 41,872.13 : x
  2. Step 2: Convert to fraction form
    121,856.84/182,740.49 = 41,872.13/x
  3. Step 3: Cross multiply
    121,856.84x = 182,740.49 × 41,872.13
  4. Step 4: Simplify right side
    121,856.84x = 7,651,733,192.45
  5. Step 5: Solve for x
    x = 7,651,733,192.45/121,856.84
  6. Step 6: Final answer
    x = 62,792.81

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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.