Home / 112,905.48-169,345.20-29,805.96

Finding the Fourth Proportional to 112,905.48, 169,345.20 and 29,805.96

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Solution

The fourth proportional to 112,905.48, 169,345.20 and 29,805.96 is: 44,705.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,905.48 : 169,345.20 = 29,805.96 : x
  2. Step 2: Convert to fraction form
    112,905.48/169,345.20 = 29,805.96/x
  3. Step 3: Cross multiply
    112,905.48x = 169,345.20 × 29,805.96
  4. Step 4: Simplify right side
    112,905.48x = 5,047,496,257.39
  5. Step 5: Solve for x
    x = 5,047,496,257.39/112,905.48
  6. Step 6: Final answer
    x = 44,705.50

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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.