Home / 43,149.79-64,723.15-15,069.75

Finding the Fourth Proportional to 43,149.79, 64,723.15 and 15,069.75

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Solution

The fourth proportional to 43,149.79, 64,723.15 and 15,069.75 is: 22,604.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.79 : 64,723.15 = 15,069.75 : x
  2. Step 2: Convert to fraction form
    43,149.79/64,723.15 = 15,069.75/x
  3. Step 3: Cross multiply
    43,149.79x = 64,723.15 × 15,069.75
  4. Step 4: Simplify right side
    43,149.79x = 975,361,465.84
  5. Step 5: Solve for x
    x = 975,361,465.84/43,149.79
  6. Step 6: Final answer
    x = 22,604.08

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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.