Home / 109,821.33-151,553.57-59,520.33

Finding the Fourth Proportional to 109,821.33, 151,553.57 and 59,520.33

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Solution

The fourth proportional to 109,821.33, 151,553.57 and 59,520.33 is: 82,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,821.33 : 151,553.57 = 59,520.33 : x
  2. Step 2: Convert to fraction form
    109,821.33/151,553.57 = 59,520.33/x
  3. Step 3: Cross multiply
    109,821.33x = 151,553.57 × 59,520.33
  4. Step 4: Simplify right side
    109,821.33x = 9,020,518,201.48
  5. Step 5: Solve for x
    x = 9,020,518,201.48/109,821.33
  6. Step 6: Final answer
    x = 82,138.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.