Home / 107,911.08-161,864.70-41,333.16

Finding the Fourth Proportional to 107,911.08, 161,864.70 and 41,333.16

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Solution

The fourth proportional to 107,911.08, 161,864.70 and 41,333.16 is: 61,999.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,911.08 : 161,864.70 = 41,333.16 : x
  2. Step 2: Convert to fraction form
    107,911.08/161,864.70 = 41,333.16/x
  3. Step 3: Cross multiply
    107,911.08x = 161,864.70 × 41,333.16
  4. Step 4: Simplify right side
    107,911.08x = 6,690,379,543.45
  5. Step 5: Solve for x
    x = 6,690,379,543.45/107,911.08
  6. Step 6: Final answer
    x = 61,999.00

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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.