Home / 99,457.39-149,186.09-29,331.24

Finding the Fourth Proportional to 99,457.39, 149,186.09 and 29,331.24

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Solution

The fourth proportional to 99,457.39, 149,186.09 and 29,331.24 is: 43,996.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,457.39 : 149,186.09 = 29,331.24 : x
  2. Step 2: Convert to fraction form
    99,457.39/149,186.09 = 29,331.24/x
  3. Step 3: Cross multiply
    99,457.39x = 149,186.09 × 29,331.24
  4. Step 4: Simplify right side
    99,457.39x = 4,375,812,117.86
  5. Step 5: Solve for x
    x = 4,375,812,117.86/99,457.39
  6. Step 6: Final answer
    x = 43,996.85

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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.