Home / 89,135.14-123,009.88-50,900.92

Finding the Fourth Proportional to 89,135.14, 123,009.88 and 50,900.92

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Solution

The fourth proportional to 89,135.14, 123,009.88 and 50,900.92 is: 70,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,135.14 : 123,009.88 = 50,900.92 : x
  2. Step 2: Convert to fraction form
    89,135.14/123,009.88 = 50,900.92/x
  3. Step 3: Cross multiply
    89,135.14x = 123,009.88 × 50,900.92
  4. Step 4: Simplify right side
    89,135.14x = 6,261,316,061.09
  5. Step 5: Solve for x
    x = 6,261,316,061.09/89,135.14
  6. Step 6: Final answer
    x = 70,245.20

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1.5x scale

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.