Home / 99,839.42-149,685.24-47,187.44

Finding the Fourth Proportional to 99,839.42, 149,685.24 and 47,187.44

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Solution

The fourth proportional to 99,839.42, 149,685.24 and 47,187.44 is: 70,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,839.42 : 149,685.24 = 47,187.44 : x
  2. Step 2: Convert to fraction form
    99,839.42/149,685.24 = 47,187.44/x
  3. Step 3: Cross multiply
    99,839.42x = 149,685.24 × 47,187.44
  4. Step 4: Simplify right side
    99,839.42x = 7,063,263,281.39
  5. Step 5: Solve for x
    x = 7,063,263,281.39/99,839.42
  6. Step 6: Final answer
    x = 70,746.24

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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.