Home / 45,540.08-68,307.68-13,950.16

Finding the Fourth Proportional to 45,540.08, 68,307.68 and 13,950.16

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Solution

The fourth proportional to 45,540.08, 68,307.68 and 13,950.16 is: 20,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,540.08 : 68,307.68 = 13,950.16 : x
  2. Step 2: Convert to fraction form
    45,540.08/68,307.68 = 13,950.16/x
  3. Step 3: Cross multiply
    45,540.08x = 68,307.68 × 13,950.16
  4. Step 4: Simplify right side
    45,540.08x = 952,903,065.23
  5. Step 5: Solve for x
    x = 952,903,065.23/45,540.08
  6. Step 6: Final answer
    x = 20,924.49

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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.