Home / 88,662.12-122,305.32-56,795.10

Finding the Fourth Proportional to 88,662.12, 122,305.32 and 56,795.10

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Solution

The fourth proportional to 88,662.12, 122,305.32 and 56,795.10 is: 78,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,662.12 : 122,305.32 = 56,795.10 : x
  2. Step 2: Convert to fraction form
    88,662.12/122,305.32 = 56,795.10/x
  3. Step 3: Cross multiply
    88,662.12x = 122,305.32 × 56,795.10
  4. Step 4: Simplify right side
    88,662.12x = 6,946,342,879.93
  5. Step 5: Solve for x
    x = 6,946,342,879.93/88,662.12
  6. Step 6: Final answer
    x = 78,346.23

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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.