Home / 106,938.68-147,608.24-61,646.96

Finding the Fourth Proportional to 106,938.68, 147,608.24 and 61,646.96

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Solution

The fourth proportional to 106,938.68, 147,608.24 and 61,646.96 is: 85,091.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,938.68 : 147,608.24 = 61,646.96 : x
  2. Step 2: Convert to fraction form
    106,938.68/147,608.24 = 61,646.96/x
  3. Step 3: Cross multiply
    106,938.68x = 147,608.24 × 61,646.96
  4. Step 4: Simplify right side
    106,938.68x = 9,099,599,266.95
  5. Step 5: Solve for x
    x = 9,099,599,266.95/106,938.68
  6. Step 6: Final answer
    x = 85,091.75

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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.