Home / 88,989.32-133,456.48-25,814.12

Finding the Fourth Proportional to 88,989.32, 133,456.48 and 25,814.12

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Solution

The fourth proportional to 88,989.32, 133,456.48 and 25,814.12 is: 38,713.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,989.32 : 133,456.48 = 25,814.12 : x
  2. Step 2: Convert to fraction form
    88,989.32/133,456.48 = 25,814.12/x
  3. Step 3: Cross multiply
    88,989.32x = 133,456.48 × 25,814.12
  4. Step 4: Simplify right side
    88,989.32x = 3,445,060,857.68
  5. Step 5: Solve for x
    x = 3,445,060,857.68/88,989.32
  6. Step 6: Final answer
    x = 38,713.19

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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.