Home / 99,809.28-149,663.70-33,225.66

Finding the Fourth Proportional to 99,809.28, 149,663.70 and 33,225.66

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Solution

The fourth proportional to 99,809.28, 149,663.70 and 33,225.66 is: 49,821.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,809.28 : 149,663.70 = 33,225.66 : x
  2. Step 2: Convert to fraction form
    99,809.28/149,663.70 = 33,225.66/x
  3. Step 3: Cross multiply
    99,809.28x = 149,663.70 × 33,225.66
  4. Step 4: Simplify right side
    99,809.28x = 4,972,675,210.54
  5. Step 5: Solve for x
    x = 4,972,675,210.54/99,809.28
  6. Step 6: Final answer
    x = 49,821.77

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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.