Home / 89,350.11-133,985.80-41,978.67

Finding the Fourth Proportional to 89,350.11, 133,985.80 and 41,978.67

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Solution

The fourth proportional to 89,350.11, 133,985.80 and 41,978.67 is: 62,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,350.11 : 133,985.80 = 41,978.67 : x
  2. Step 2: Convert to fraction form
    89,350.11/133,985.80 = 41,978.67/x
  3. Step 3: Cross multiply
    89,350.11x = 133,985.80 × 41,978.67
  4. Step 4: Simplify right side
    89,350.11x = 5,624,545,232.91
  5. Step 5: Solve for x
    x = 5,624,545,232.91/89,350.11
  6. Step 6: Final answer
    x = 62,949.51

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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.