Home / 45,507.38-68,261.04-45,441.68

Finding the Fourth Proportional to 45,507.38, 68,261.04 and 45,441.68

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Solution

The fourth proportional to 45,507.38, 68,261.04 and 45,441.68 is: 68,162.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,507.38 : 68,261.04 = 45,441.68 : x
  2. Step 2: Convert to fraction form
    45,507.38/68,261.04 = 45,441.68/x
  3. Step 3: Cross multiply
    45,507.38x = 68,261.04 × 45,441.68
  4. Step 4: Simplify right side
    45,507.38x = 3,101,895,994.84
  5. Step 5: Solve for x
    x = 3,101,895,994.84/45,507.38
  6. Step 6: Final answer
    x = 68,162.49

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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.