Home / 43,829.70-65,744.55-42,080.10

Finding the Fourth Proportional to 43,829.70, 65,744.55 and 42,080.10

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Solution

The fourth proportional to 43,829.70, 65,744.55 and 42,080.10 is: 63,120.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,829.70 : 65,744.55 = 42,080.10 : x
  2. Step 2: Convert to fraction form
    43,829.70/65,744.55 = 42,080.10/x
  3. Step 3: Cross multiply
    43,829.70x = 65,744.55 × 42,080.10
  4. Step 4: Simplify right side
    43,829.70x = 2,766,537,238.46
  5. Step 5: Solve for x
    x = 2,766,537,238.46/43,829.70
  6. Step 6: Final answer
    x = 63,120.15

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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.