Home / 64,135.87-88,532.19-57,409.63

Finding the Fourth Proportional to 64,135.87, 88,532.19 and 57,409.63

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Solution

The fourth proportional to 64,135.87, 88,532.19 and 57,409.63 is: 79,247.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,135.87 : 88,532.19 = 57,409.63 : x
  2. Step 2: Convert to fraction form
    64,135.87/88,532.19 = 57,409.63/x
  3. Step 3: Cross multiply
    64,135.87x = 88,532.19 × 57,409.63
  4. Step 4: Simplify right side
    64,135.87x = 5,082,600,049.66
  5. Step 5: Solve for x
    x = 5,082,600,049.66/64,135.87
  6. Step 6: Final answer
    x = 79,247.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.