Home / 76,324.98-114,339.24-42,943.26

Finding the Fourth Proportional to 76,324.98, 114,339.24 and 42,943.26

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Solution

The fourth proportional to 76,324.98, 114,339.24 and 42,943.26 is: 64,331.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,324.98 : 114,339.24 = 42,943.26 : x
  2. Step 2: Convert to fraction form
    76,324.98/114,339.24 = 42,943.26/x
  3. Step 3: Cross multiply
    76,324.98x = 114,339.24 × 42,943.26
  4. Step 4: Simplify right side
    76,324.98x = 4,910,099,711.52
  5. Step 5: Solve for x
    x = 4,910,099,711.52/76,324.98
  6. Step 6: Final answer
    x = 64,331.49

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1.5x scale

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.