Home / 45,531.30-68,296.95-14,369.70

Finding the Fourth Proportional to 45,531.30, 68,296.95 and 14,369.70

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Solution

The fourth proportional to 45,531.30, 68,296.95 and 14,369.70 is: 21,554.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.30 : 68,296.95 = 14,369.70 : x
  2. Step 2: Convert to fraction form
    45,531.30/68,296.95 = 14,369.70/x
  3. Step 3: Cross multiply
    45,531.30x = 68,296.95 × 14,369.70
  4. Step 4: Simplify right side
    45,531.30x = 981,406,682.42
  5. Step 5: Solve for x
    x = 981,406,682.42/45,531.30
  6. Step 6: Final answer
    x = 21,554.55

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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.