Home / 45,835.70-68,758.40-19,543.10

Finding the Fourth Proportional to 45,835.70, 68,758.40 and 19,543.10

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Solution

The fourth proportional to 45,835.70, 68,758.40 and 19,543.10 is: 29,316.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,835.70 : 68,758.40 = 19,543.10 : x
  2. Step 2: Convert to fraction form
    45,835.70/68,758.40 = 19,543.10/x
  3. Step 3: Cross multiply
    45,835.70x = 68,758.40 × 19,543.10
  4. Step 4: Simplify right side
    45,835.70x = 1,343,751,992.11
  5. Step 5: Solve for x
    x = 1,343,751,992.11/45,835.70
  6. Step 6: Final answer
    x = 29,316.71

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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.