Home / 105,887.13-158,858.24-39,346.44

Finding the Fourth Proportional to 105,887.13, 158,858.24 and 39,346.44

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Solution

The fourth proportional to 105,887.13, 158,858.24 and 39,346.44 is: 59,029.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887.13 : 158,858.24 = 39,346.44 : x
  2. Step 2: Convert to fraction form
    105,887.13/158,858.24 = 39,346.44/x
  3. Step 3: Cross multiply
    105,887.13x = 158,858.24 × 39,346.44
  4. Step 4: Simplify right side
    105,887.13x = 6,250,506,011.93
  5. Step 5: Solve for x
    x = 6,250,506,011.93/105,887.13
  6. Step 6: Final answer
    x = 59,029.89

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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.