Home / 72,435.99-108,631.49-34,972.77

Finding the Fourth Proportional to 72,435.99, 108,631.49 and 34,972.77

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Solution

The fourth proportional to 72,435.99, 108,631.49 and 34,972.77 is: 52,448.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,435.99 : 108,631.49 = 34,972.77 : x
  2. Step 2: Convert to fraction form
    72,435.99/108,631.49 = 34,972.77/x
  3. Step 3: Cross multiply
    72,435.99x = 108,631.49 × 34,972.77
  4. Step 4: Simplify right side
    72,435.99x = 3,799,143,939.66
  5. Step 5: Solve for x
    x = 3,799,143,939.66/72,435.99
  6. Step 6: Final answer
    x = 52,448.29

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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.