Home / 89,946.85-124,125.86-49,659.75

Finding the Fourth Proportional to 89,946.85, 124,125.86 and 49,659.75

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Solution

The fourth proportional to 89,946.85, 124,125.86 and 49,659.75 is: 68,530.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,946.85 : 124,125.86 = 49,659.75 : x
  2. Step 2: Convert to fraction form
    89,946.85/124,125.86 = 49,659.75/x
  3. Step 3: Cross multiply
    89,946.85x = 124,125.86 × 49,659.75
  4. Step 4: Simplify right side
    89,946.85x = 6,164,059,176.14
  5. Step 5: Solve for x
    x = 6,164,059,176.14/89,946.85
  6. Step 6: Final answer
    x = 68,530.02

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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.