Home / 88,811.64-133,188.30-29,631.42

Finding the Fourth Proportional to 88,811.64, 133,188.30 and 29,631.42

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Solution

The fourth proportional to 88,811.64, 133,188.30 and 29,631.42 is: 44,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,811.64 : 133,188.30 = 29,631.42 : x
  2. Step 2: Convert to fraction form
    88,811.64/133,188.30 = 29,631.42/x
  3. Step 3: Cross multiply
    88,811.64x = 133,188.30 × 29,631.42
  4. Step 4: Simplify right side
    88,811.64x = 3,946,558,456.39
  5. Step 5: Solve for x
    x = 3,946,558,456.39/88,811.64
  6. Step 6: Final answer
    x = 44,437.40

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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.