Home / 77,024.64-115,328.24-40,010.88

Finding the Fourth Proportional to 77,024.64, 115,328.24 and 40,010.88

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Solution

The fourth proportional to 77,024.64, 115,328.24 and 40,010.88 is: 59,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,024.64 : 115,328.24 = 40,010.88 : x
  2. Step 2: Convert to fraction form
    77,024.64/115,328.24 = 40,010.88/x
  3. Step 3: Cross multiply
    77,024.64x = 115,328.24 × 40,010.88
  4. Step 4: Simplify right side
    77,024.64x = 4,614,384,371.25
  5. Step 5: Solve for x
    x = 4,614,384,371.25/77,024.64
  6. Step 6: Final answer
    x = 59,907.90

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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.