Home / 99,661.34-149,491.67-24,781.02

Finding the Fourth Proportional to 99,661.34, 149,491.67 and 24,781.02

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Solution

The fourth proportional to 99,661.34, 149,491.67 and 24,781.02 is: 37,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,661.34 : 149,491.67 = 24,781.02 : x
  2. Step 2: Convert to fraction form
    99,661.34/149,491.67 = 24,781.02/x
  3. Step 3: Cross multiply
    99,661.34x = 149,491.67 × 24,781.02
  4. Step 4: Simplify right side
    99,661.34x = 3,704,555,940.20
  5. Step 5: Solve for x
    x = 3,704,555,940.20/99,661.34
  6. Step 6: Final answer
    x = 37,171.45

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1.5x scale

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.