Home / 45,380.28-68,079.06-14,207.16

Finding the Fourth Proportional to 45,380.28, 68,079.06 and 14,207.16

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Solution

The fourth proportional to 45,380.28, 68,079.06 and 14,207.16 is: 21,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,380.28 : 68,079.06 = 14,207.16 : x
  2. Step 2: Convert to fraction form
    45,380.28/68,079.06 = 14,207.16/x
  3. Step 3: Cross multiply
    45,380.28x = 68,079.06 × 14,207.16
  4. Step 4: Simplify right side
    45,380.28x = 967,210,098.07
  5. Step 5: Solve for x
    x = 967,210,098.07/45,380.28
  6. Step 6: Final answer
    x = 21,313.44

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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.