Home / 105,929.93-158,817.90-49,741.13

Finding the Fourth Proportional to 105,929.93, 158,817.90 and 49,741.13

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Solution

The fourth proportional to 105,929.93, 158,817.90 and 49,741.13 is: 74,575.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,929.93 : 158,817.90 = 49,741.13 : x
  2. Step 2: Convert to fraction form
    105,929.93/158,817.90 = 49,741.13/x
  3. Step 3: Cross multiply
    105,929.93x = 158,817.90 × 49,741.13
  4. Step 4: Simplify right side
    105,929.93x = 7,899,781,810.23
  5. Step 5: Solve for x
    x = 7,899,781,810.23/105,929.93
  6. Step 6: Final answer
    x = 74,575.54

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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.