Home / 106,958.41-147,618.05-61,627.70

Finding the Fourth Proportional to 106,958.41, 147,618.05 and 61,627.70

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Solution

The fourth proportional to 106,958.41, 147,618.05 and 61,627.70 is: 85,055.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,958.41 : 147,618.05 = 61,627.70 : x
  2. Step 2: Convert to fraction form
    106,958.41/147,618.05 = 61,627.70/x
  3. Step 3: Cross multiply
    106,958.41x = 147,618.05 × 61,627.70
  4. Step 4: Simplify right side
    106,958.41x = 9,097,360,960.89
  5. Step 5: Solve for x
    x = 9,097,360,960.89/106,958.41
  6. Step 6: Final answer
    x = 85,055.13

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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.