Home / 77,033.77-115,471.37-37,542.02

Finding the Fourth Proportional to 77,033.77, 115,471.37 and 37,542.02

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Solution

The fourth proportional to 77,033.77, 115,471.37 and 37,542.02 is: 56,274.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,033.77 : 115,471.37 = 37,542.02 : x
  2. Step 2: Convert to fraction form
    77,033.77/115,471.37 = 37,542.02/x
  3. Step 3: Cross multiply
    77,033.77x = 115,471.37 × 37,542.02
  4. Step 4: Simplify right side
    77,033.77x = 4,335,027,998.47
  5. Step 5: Solve for x
    x = 4,335,027,998.47/77,033.77
  6. Step 6: Final answer
    x = 56,274.39

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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.