Home / 91,274.69-125,956.61-49,880.04

Finding the Fourth Proportional to 91,274.69, 125,956.61 and 49,880.04

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Solution

The fourth proportional to 91,274.69, 125,956.61 and 49,880.04 is: 68,833.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,274.69 : 125,956.61 = 49,880.04 : x
  2. Step 2: Convert to fraction form
    91,274.69/125,956.61 = 49,880.04/x
  3. Step 3: Cross multiply
    91,274.69x = 125,956.61 × 49,880.04
  4. Step 4: Simplify right side
    91,274.69x = 6,282,720,495.66
  5. Step 5: Solve for x
    x = 6,282,720,495.66/91,274.69
  6. Step 6: Final answer
    x = 68,833.11

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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.