Home / 45,470.01-68,158.39-20,527.58

Finding the Fourth Proportional to 45,470.01, 68,158.39 and 20,527.58

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Solution

The fourth proportional to 45,470.01, 68,158.39 and 20,527.58 is: 30,770.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,470.01 : 68,158.39 = 20,527.58 : x
  2. Step 2: Convert to fraction form
    45,470.01/68,158.39 = 20,527.58/x
  3. Step 3: Cross multiply
    45,470.01x = 68,158.39 × 20,527.58
  4. Step 4: Simplify right side
    45,470.01x = 1,399,126,519.84
  5. Step 5: Solve for x
    x = 1,399,126,519.84/45,470.01
  6. Step 6: Final answer
    x = 30,770.32

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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.