Home / 48,763.96-73,172.40-20,699.80

Finding the Fourth Proportional to 48,763.96, 73,172.40 and 20,699.80

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Solution

The fourth proportional to 48,763.96, 73,172.40 and 20,699.80 is: 31,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,763.96 : 73,172.40 = 20,699.80 : x
  2. Step 2: Convert to fraction form
    48,763.96/73,172.40 = 20,699.80/x
  3. Step 3: Cross multiply
    48,763.96x = 73,172.40 × 20,699.80
  4. Step 4: Simplify right side
    48,763.96x = 1,514,654,045.52
  5. Step 5: Solve for x
    x = 1,514,654,045.52/48,763.96
  6. Step 6: Final answer
    x = 31,060.93

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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.