Home / 89,230.80-133,744.44-42,417.36

Finding the Fourth Proportional to 89,230.80, 133,744.44 and 42,417.36

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Solution

The fourth proportional to 89,230.80, 133,744.44 and 42,417.36 is: 63,577.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.80 : 133,744.44 = 42,417.36 : x
  2. Step 2: Convert to fraction form
    89,230.80/133,744.44 = 42,417.36/x
  3. Step 3: Cross multiply
    89,230.80x = 133,744.44 × 42,417.36
  4. Step 4: Simplify right side
    89,230.80x = 5,673,086,059.48
  5. Step 5: Solve for x
    x = 5,673,086,059.48/89,230.80
  6. Step 6: Final answer
    x = 63,577.67

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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.