Home / 99,606.72-149,452.08-40,427.04

Finding the Fourth Proportional to 99,606.72, 149,452.08 and 40,427.04

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Solution

The fourth proportional to 99,606.72, 149,452.08 and 40,427.04 is: 60,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,606.72 : 149,452.08 = 40,427.04 : x
  2. Step 2: Convert to fraction form
    99,606.72/149,452.08 = 40,427.04/x
  3. Step 3: Cross multiply
    99,606.72x = 149,452.08 × 40,427.04
  4. Step 4: Simplify right side
    99,606.72x = 6,041,905,216.24
  5. Step 5: Solve for x
    x = 6,041,905,216.24/99,606.72
  6. Step 6: Final answer
    x = 60,657.61

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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.