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Finding the Fourth Proportional to 88,581.65, 122,242.64 and 48,295.44

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Solution

The fourth proportional to 88,581.65, 122,242.64 and 48,295.44 is: 66,647.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581.65 : 122,242.64 = 48,295.44 : x
  2. Step 2: Convert to fraction form
    88,581.65/122,242.64 = 48,295.44/x
  3. Step 3: Cross multiply
    88,581.65x = 122,242.64 × 48,295.44
  4. Step 4: Simplify right side
    88,581.65x = 5,903,761,844.08
  5. Step 5: Solve for x
    x = 5,903,761,844.08/88,581.65
  6. Step 6: Final answer
    x = 66,647.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.