Home / 71,216.20-106,887.69-37,963.72

Finding the Fourth Proportional to 71,216.20, 106,887.69 and 37,963.72

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Solution

The fourth proportional to 71,216.20, 106,887.69 and 37,963.72 is: 56,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,216.20 : 106,887.69 = 37,963.72 : x
  2. Step 2: Convert to fraction form
    71,216.20/106,887.69 = 37,963.72/x
  3. Step 3: Cross multiply
    71,216.20x = 106,887.69 × 37,963.72
  4. Step 4: Simplify right side
    71,216.20x = 4,057,854,334.61
  5. Step 5: Solve for x
    x = 4,057,854,334.61/71,216.20
  6. Step 6: Final answer
    x = 56,979.37

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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.