Home / 89,947.95-134,897.30-33,783.72

Finding the Fourth Proportional to 89,947.95, 134,897.30 and 33,783.72

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Solution

The fourth proportional to 89,947.95, 134,897.30 and 33,783.72 is: 50,666.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,947.95 : 134,897.30 = 33,783.72 : x
  2. Step 2: Convert to fraction form
    89,947.95/134,897.30 = 33,783.72/x
  3. Step 3: Cross multiply
    89,947.95x = 134,897.30 × 33,783.72
  4. Step 4: Simplify right side
    89,947.95x = 4,557,332,611.96
  5. Step 5: Solve for x
    x = 4,557,332,611.96/89,947.95
  6. Step 6: Final answer
    x = 50,666.33

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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.