Home / 45,521.46-68,289.39-14,349.42

Finding the Fourth Proportional to 45,521.46, 68,289.39 and 14,349.42

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Solution

The fourth proportional to 45,521.46, 68,289.39 and 14,349.42 is: 21,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,521.46 : 68,289.39 = 14,349.42 : x
  2. Step 2: Convert to fraction form
    45,521.46/68,289.39 = 14,349.42/x
  3. Step 3: Cross multiply
    45,521.46x = 68,289.39 × 14,349.42
  4. Step 4: Simplify right side
    45,521.46x = 979,913,138.65
  5. Step 5: Solve for x
    x = 979,913,138.65/45,521.46
  6. Step 6: Final answer
    x = 21,526.40

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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.