Home / 76,887.32-106,010.25-63,227.64

Finding the Fourth Proportional to 76,887.32, 106,010.25 and 63,227.64

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Solution

The fourth proportional to 76,887.32, 106,010.25 and 63,227.64 is: 87,176.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,887.32 : 106,010.25 = 63,227.64 : x
  2. Step 2: Convert to fraction form
    76,887.32/106,010.25 = 63,227.64/x
  3. Step 3: Cross multiply
    76,887.32x = 106,010.25 × 63,227.64
  4. Step 4: Simplify right side
    76,887.32x = 6,702,777,923.31
  5. Step 5: Solve for x
    x = 6,702,777,923.31/76,887.32
  6. Step 6: Final answer
    x = 87,176.64

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1.5x scale

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.