Home / 105,661.08-158,498.94-39,099.72

Finding the Fourth Proportional to 105,661.08, 158,498.94 and 39,099.72

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Solution

The fourth proportional to 105,661.08, 158,498.94 and 39,099.72 is: 58,652.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,661.08 : 158,498.94 = 39,099.72 : x
  2. Step 2: Convert to fraction form
    105,661.08/158,498.94 = 39,099.72/x
  3. Step 3: Cross multiply
    105,661.08x = 158,498.94 × 39,099.72
  4. Step 4: Simplify right side
    105,661.08x = 6,197,264,174.30
  5. Step 5: Solve for x
    x = 6,197,264,174.30/105,661.08
  6. Step 6: Final answer
    x = 58,652.29

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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.