Home / 99,504.35-149,256.18-40,339.88

Finding the Fourth Proportional to 99,504.35, 149,256.18 and 40,339.88

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Solution

The fourth proportional to 99,504.35, 149,256.18 and 40,339.88 is: 60,509.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,504.35 : 149,256.18 = 40,339.88 : x
  2. Step 2: Convert to fraction form
    99,504.35/149,256.18 = 40,339.88/x
  3. Step 3: Cross multiply
    99,504.35x = 149,256.18 × 40,339.88
  4. Step 4: Simplify right side
    99,504.35x = 6,020,975,644.18
  5. Step 5: Solve for x
    x = 6,020,975,644.18/99,504.35
  6. Step 6: Final answer
    x = 60,509.68

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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.