Home / 89,338.94-134,012.05-22,780.79

Finding the Fourth Proportional to 89,338.94, 134,012.05 and 22,780.79

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Solution

The fourth proportional to 89,338.94, 134,012.05 and 22,780.79 is: 34,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,338.94 : 134,012.05 = 22,780.79 : x
  2. Step 2: Convert to fraction form
    89,338.94/134,012.05 = 22,780.79/x
  3. Step 3: Cross multiply
    89,338.94x = 134,012.05 × 22,780.79
  4. Step 4: Simplify right side
    89,338.94x = 3,052,901,026.01
  5. Step 5: Solve for x
    x = 3,052,901,026.01/89,338.94
  6. Step 6: Final answer
    x = 34,172.12

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1.5x scale

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.