Home / 64,765.17-97,122.24-31,475.39

Finding the Fourth Proportional to 64,765.17, 97,122.24 and 31,475.39

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Solution

The fourth proportional to 64,765.17, 97,122.24 and 31,475.39 is: 47,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,765.17 : 97,122.24 = 31,475.39 : x
  2. Step 2: Convert to fraction form
    64,765.17/97,122.24 = 31,475.39/x
  3. Step 3: Cross multiply
    64,765.17x = 97,122.24 × 31,475.39
  4. Step 4: Simplify right side
    64,765.17x = 3,056,959,896.06
  5. Step 5: Solve for x
    x = 3,056,959,896.06/64,765.17
  6. Step 6: Final answer
    x = 47,200.68

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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.