Home / 99,049.81-148,596.59-36,720.31

Finding the Fourth Proportional to 99,049.81, 148,596.59 and 36,720.31

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Solution

The fourth proportional to 99,049.81, 148,596.59 and 36,720.31 is: 55,088.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,049.81 : 148,596.59 = 36,720.31 : x
  2. Step 2: Convert to fraction form
    99,049.81/148,596.59 = 36,720.31/x
  3. Step 3: Cross multiply
    99,049.81x = 148,596.59 × 36,720.31
  4. Step 4: Simplify right side
    99,049.81x = 5,456,512,849.74
  5. Step 5: Solve for x
    x = 5,456,512,849.74/99,049.81
  6. Step 6: Final answer
    x = 55,088.57

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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.