Home / 89,975.76-124,166.56-50,231.76

Finding the Fourth Proportional to 89,975.76, 124,166.56 and 50,231.76

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Solution

The fourth proportional to 89,975.76, 124,166.56 and 50,231.76 is: 69,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,975.76 : 124,166.56 = 50,231.76 : x
  2. Step 2: Convert to fraction form
    89,975.76/124,166.56 = 50,231.76/x
  3. Step 3: Cross multiply
    89,975.76x = 124,166.56 × 50,231.76
  4. Step 4: Simplify right side
    89,975.76x = 6,237,104,841.95
  5. Step 5: Solve for x
    x = 6,237,104,841.95/89,975.76
  6. Step 6: Final answer
    x = 69,319.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.