Home / 89,126.56-133,696.80-29,961.76

Finding the Fourth Proportional to 89,126.56, 133,696.80 and 29,961.76

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Solution

The fourth proportional to 89,126.56, 133,696.80 and 29,961.76 is: 44,944.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,126.56 : 133,696.80 = 29,961.76 : x
  2. Step 2: Convert to fraction form
    89,126.56/133,696.80 = 29,961.76/x
  3. Step 3: Cross multiply
    89,126.56x = 133,696.80 × 29,961.76
  4. Step 4: Simplify right side
    89,126.56x = 4,005,791,434.37
  5. Step 5: Solve for x
    x = 4,005,791,434.37/89,126.56
  6. Step 6: Final answer
    x = 44,944.98

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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.