Home / 89,235.92-133,810.83-51,805.42

Finding the Fourth Proportional to 89,235.92, 133,810.83 and 51,805.42

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Solution

The fourth proportional to 89,235.92, 133,810.83 and 51,805.42 is: 77,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,235.92 : 133,810.83 = 51,805.42 : x
  2. Step 2: Convert to fraction form
    89,235.92/133,810.83 = 51,805.42/x
  3. Step 3: Cross multiply
    89,235.92x = 133,810.83 × 51,805.42
  4. Step 4: Simplify right side
    89,235.92x = 6,932,125,619.74
  5. Step 5: Solve for x
    x = 6,932,125,619.74/89,235.92
  6. Step 6: Final answer
    x = 77,683.13

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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.