Home / 45,439.50-68,161.68-14,277.18

Finding the Fourth Proportional to 45,439.50, 68,161.68 and 14,277.18

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Solution

The fourth proportional to 45,439.50, 68,161.68 and 14,277.18 is: 21,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.50 : 68,161.68 = 14,277.18 : x
  2. Step 2: Convert to fraction form
    45,439.50/68,161.68 = 14,277.18/x
  3. Step 3: Cross multiply
    45,439.50x = 68,161.68 × 14,277.18
  4. Step 4: Simplify right side
    45,439.50x = 973,156,574.46
  5. Step 5: Solve for x
    x = 973,156,574.46/45,439.50
  6. Step 6: Final answer
    x = 21,416.53

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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.