Home / 117,185.28-175,841.86-49,706.78

Finding the Fourth Proportional to 117,185.28, 175,841.86 and 49,706.78

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Solution

The fourth proportional to 117,185.28, 175,841.86 and 49,706.78 is: 74,587.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,185.28 : 175,841.86 = 49,706.78 : x
  2. Step 2: Convert to fraction form
    117,185.28/175,841.86 = 49,706.78/x
  3. Step 3: Cross multiply
    117,185.28x = 175,841.86 × 49,706.78
  4. Step 4: Simplify right side
    117,185.28x = 8,740,532,649.81
  5. Step 5: Solve for x
    x = 8,740,532,649.81/117,185.28
  6. Step 6: Final answer
    x = 74,587.29

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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.