Home / 45,729.80-68,598.54-17,648.72

Finding the Fourth Proportional to 45,729.80, 68,598.54 and 17,648.72

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Solution

The fourth proportional to 45,729.80, 68,598.54 and 17,648.72 is: 26,474.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,729.80 : 68,598.54 = 17,648.72 : x
  2. Step 2: Convert to fraction form
    45,729.80/68,598.54 = 17,648.72/x
  3. Step 3: Cross multiply
    45,729.80x = 68,598.54 × 17,648.72
  4. Step 4: Simplify right side
    45,729.80x = 1,210,676,081.88
  5. Step 5: Solve for x
    x = 1,210,676,081.88/45,729.80
  6. Step 6: Final answer
    x = 26,474.56

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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.