Home / 45,868.40-68,736.72-19,566.08

Finding the Fourth Proportional to 45,868.40, 68,736.72 and 19,566.08

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Solution

The fourth proportional to 45,868.40, 68,736.72 and 19,566.08 is: 29,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,868.40 : 68,736.72 = 19,566.08 : x
  2. Step 2: Convert to fraction form
    45,868.40/68,736.72 = 19,566.08/x
  3. Step 3: Cross multiply
    45,868.40x = 68,736.72 × 19,566.08
  4. Step 4: Simplify right side
    45,868.40x = 1,344,908,162.46
  5. Step 5: Solve for x
    x = 1,344,908,162.46/45,868.40
  6. Step 6: Final answer
    x = 29,321.02

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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.