Home / 89,339.68-133,834.32-51,820.96

Finding the Fourth Proportional to 89,339.68, 133,834.32 and 51,820.96

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Solution

The fourth proportional to 89,339.68, 133,834.32 and 51,820.96 is: 77,629.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,339.68 : 133,834.32 = 51,820.96 : x
  2. Step 2: Convert to fraction form
    89,339.68/133,834.32 = 51,820.96/x
  3. Step 3: Cross multiply
    89,339.68x = 133,834.32 × 51,820.96
  4. Step 4: Simplify right side
    89,339.68x = 6,935,422,943.35
  5. Step 5: Solve for x
    x = 6,935,422,943.35/89,339.68
  6. Step 6: Final answer
    x = 77,629.82

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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.