Home / 89,327.25-133,815.66-51,808.50

Finding the Fourth Proportional to 89,327.25, 133,815.66 and 51,808.50

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Solution

The fourth proportional to 89,327.25, 133,815.66 and 51,808.50 is: 77,611.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,327.25 : 133,815.66 = 51,808.50 : x
  2. Step 2: Convert to fraction form
    89,327.25/133,815.66 = 51,808.50/x
  3. Step 3: Cross multiply
    89,327.25x = 133,815.66 × 51,808.50
  4. Step 4: Simplify right side
    89,327.25x = 6,932,788,621.11
  5. Step 5: Solve for x
    x = 6,932,788,621.11/89,327.25
  6. Step 6: Final answer
    x = 77,611.13

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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.