Home / 43,170.93-64,756.40-40,734.45

Finding the Fourth Proportional to 43,170.93, 64,756.40 and 40,734.45

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Solution

The fourth proportional to 43,170.93, 64,756.40 and 40,734.45 is: 61,101.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.93 : 64,756.40 = 40,734.45 : x
  2. Step 2: Convert to fraction form
    43,170.93/64,756.40 = 40,734.45/x
  3. Step 3: Cross multiply
    43,170.93x = 64,756.40 × 40,734.45
  4. Step 4: Simplify right side
    43,170.93x = 2,637,816,134.31
  5. Step 5: Solve for x
    x = 2,637,816,134.31/43,170.93
  6. Step 6: Final answer
    x = 61,101.68

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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.