Home / 99,836.83-149,713.65-40,632.31

Finding the Fourth Proportional to 99,836.83, 149,713.65 and 40,632.31

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Solution

The fourth proportional to 99,836.83, 149,713.65 and 40,632.31 is: 60,931.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,836.83 : 149,713.65 = 40,632.31 : x
  2. Step 2: Convert to fraction form
    99,836.83/149,713.65 = 40,632.31/x
  3. Step 3: Cross multiply
    99,836.83x = 149,713.65 × 40,632.31
  4. Step 4: Simplify right side
    99,836.83x = 6,083,211,438.03
  5. Step 5: Solve for x
    x = 6,083,211,438.03/99,836.83
  6. Step 6: Final answer
    x = 60,931.54

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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.