Home / 43,171.18-64,756.77-40,734.70

Finding the Fourth Proportional to 43,171.18, 64,756.77 and 40,734.70

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Solution

The fourth proportional to 43,171.18, 64,756.77 and 40,734.70 is: 61,102.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,171.18 : 64,756.77 = 40,734.70 : x
  2. Step 2: Convert to fraction form
    43,171.18/64,756.77 = 40,734.70/x
  3. Step 3: Cross multiply
    43,171.18x = 64,756.77 × 40,734.70
  4. Step 4: Simplify right side
    43,171.18x = 2,637,847,598.92
  5. Step 5: Solve for x
    x = 2,637,847,598.92/43,171.18
  6. Step 6: Final answer
    x = 61,102.05

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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.