Home / 64,558.31-96,749.90-31,211.96

Finding the Fourth Proportional to 64,558.31, 96,749.90 and 31,211.96

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Solution

The fourth proportional to 64,558.31, 96,749.90 and 31,211.96 is: 46,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558.31 : 96,749.90 = 31,211.96 : x
  2. Step 2: Convert to fraction form
    64,558.31/96,749.90 = 31,211.96/x
  3. Step 3: Cross multiply
    64,558.31x = 96,749.90 × 31,211.96
  4. Step 4: Simplify right side
    64,558.31x = 3,019,753,852.74
  5. Step 5: Solve for x
    x = 3,019,753,852.74/64,558.31
  6. Step 6: Final answer
    x = 46,775.60

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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.