Home / 89,232.80-133,747.44-42,419.36

Finding the Fourth Proportional to 89,232.80, 133,747.44 and 42,419.36

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Solution

The fourth proportional to 89,232.80, 133,747.44 and 42,419.36 is: 63,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,232.80 : 133,747.44 = 42,419.36 : x
  2. Step 2: Convert to fraction form
    89,232.80/133,747.44 = 42,419.36/x
  3. Step 3: Cross multiply
    89,232.80x = 133,747.44 × 42,419.36
  4. Step 4: Simplify right side
    89,232.80x = 5,673,480,806.44
  5. Step 5: Solve for x
    x = 5,673,480,806.44/89,232.80
  6. Step 6: Final answer
    x = 63,580.67

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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.