Home / 43,961.40-65,942.10-42,041.70

Finding the Fourth Proportional to 43,961.40, 65,942.10 and 42,041.70

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Solution

The fourth proportional to 43,961.40, 65,942.10 and 42,041.70 is: 63,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,961.40 : 65,942.10 = 42,041.70 : x
  2. Step 2: Convert to fraction form
    43,961.40/65,942.10 = 42,041.70/x
  3. Step 3: Cross multiply
    43,961.40x = 65,942.10 × 42,041.70
  4. Step 4: Simplify right side
    43,961.40x = 2,772,317,985.57
  5. Step 5: Solve for x
    x = 2,772,317,985.57/43,961.40
  6. Step 6: Final answer
    x = 63,062.55

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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.