Home / 73,813.02-110,705.72-19,778.34

Finding the Fourth Proportional to 73,813.02, 110,705.72 and 19,778.34

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Solution

The fourth proportional to 73,813.02, 110,705.72 and 19,778.34 is: 29,663.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,813.02 : 110,705.72 = 19,778.34 : x
  2. Step 2: Convert to fraction form
    73,813.02/110,705.72 = 19,778.34/x
  3. Step 3: Cross multiply
    73,813.02x = 110,705.72 × 19,778.34
  4. Step 4: Simplify right side
    73,813.02x = 2,189,575,370.10
  5. Step 5: Solve for x
    x = 2,189,575,370.10/73,813.02
  6. Step 6: Final answer
    x = 29,663.81

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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.