Home / 89,340.68-133,835.82-51,821.96

Finding the Fourth Proportional to 89,340.68, 133,835.82 and 51,821.96

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Solution

The fourth proportional to 89,340.68, 133,835.82 and 51,821.96 is: 77,631.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,340.68 : 133,835.82 = 51,821.96 : x
  2. Step 2: Convert to fraction form
    89,340.68/133,835.82 = 51,821.96/x
  3. Step 3: Cross multiply
    89,340.68x = 133,835.82 × 51,821.96
  4. Step 4: Simplify right side
    89,340.68x = 6,935,634,510.61
  5. Step 5: Solve for x
    x = 6,935,634,510.61/89,340.68
  6. Step 6: Final answer
    x = 77,631.32

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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.