Home / 72,237.18-108,265.44-34,790.22

Finding the Fourth Proportional to 72,237.18, 108,265.44 and 34,790.22

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Solution

The fourth proportional to 72,237.18, 108,265.44 and 34,790.22 is: 52,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,237.18 : 108,265.44 = 34,790.22 : x
  2. Step 2: Convert to fraction form
    72,237.18/108,265.44 = 34,790.22/x
  3. Step 3: Cross multiply
    72,237.18x = 108,265.44 × 34,790.22
  4. Step 4: Simplify right side
    72,237.18x = 3,766,578,476.00
  5. Step 5: Solve for x
    x = 3,766,578,476.00/72,237.18
  6. Step 6: Final answer
    x = 52,141.83

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1.5x scale

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.