Home / 68,335.44-102,507.48-28,887.36

Finding the Fourth Proportional to 68,335.44, 102,507.48 and 28,887.36

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Solution

The fourth proportional to 68,335.44, 102,507.48 and 28,887.36 is: 43,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335.44 : 102,507.48 = 28,887.36 : x
  2. Step 2: Convert to fraction form
    68,335.44/102,507.48 = 28,887.36/x
  3. Step 3: Cross multiply
    68,335.44x = 102,507.48 × 28,887.36
  4. Step 4: Simplify right side
    68,335.44x = 2,961,170,477.45
  5. Step 5: Solve for x
    x = 2,961,170,477.45/68,335.44
  6. Step 6: Final answer
    x = 43,332.87

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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.