Home / 80,110.48-120,237.00-42,701.44

Finding the Fourth Proportional to 80,110.48, 120,237.00 and 42,701.44

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Solution

The fourth proportional to 80,110.48, 120,237.00 and 42,701.44 is: 64,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,110.48 : 120,237.00 = 42,701.44 : x
  2. Step 2: Convert to fraction form
    80,110.48/120,237.00 = 42,701.44/x
  3. Step 3: Cross multiply
    80,110.48x = 120,237.00 × 42,701.44
  4. Step 4: Simplify right side
    80,110.48x = 5,134,292,226.59
  5. Step 5: Solve for x
    x = 5,134,292,226.59/80,110.48
  6. Step 6: Final answer
    x = 64,090.15

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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.