Home / 91,053.96-136,620.30-48,884.82

Finding the Fourth Proportional to 91,053.96, 136,620.30 and 48,884.82

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Solution

The fourth proportional to 91,053.96, 136,620.30 and 48,884.82 is: 73,348.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,053.96 : 136,620.30 = 48,884.82 : x
  2. Step 2: Convert to fraction form
    91,053.96/136,620.30 = 48,884.82/x
  3. Step 3: Cross multiply
    91,053.96x = 136,620.30 × 48,884.82
  4. Step 4: Simplify right side
    91,053.96x = 6,678,658,773.85
  5. Step 5: Solve for x
    x = 6,678,658,773.85/91,053.96
  6. Step 6: Final answer
    x = 73,348.36

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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.