Home / 108,711.40-162,994.20-49,516.60

Finding the Fourth Proportional to 108,711.40, 162,994.20 and 49,516.60

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Solution

The fourth proportional to 108,711.40, 162,994.20 and 49,516.60 is: 74,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,711.40 : 162,994.20 = 49,516.60 : x
  2. Step 2: Convert to fraction form
    108,711.40/162,994.20 = 49,516.60/x
  3. Step 3: Cross multiply
    108,711.40x = 162,994.20 × 49,516.60
  4. Step 4: Simplify right side
    108,711.40x = 8,070,918,603.72
  5. Step 5: Solve for x
    x = 8,070,918,603.72/108,711.40
  6. Step 6: Final answer
    x = 74,241.70

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1.5x scale

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.