Home / 64,749.86-97,099.26-31,460.07

Finding the Fourth Proportional to 64,749.86, 97,099.26 and 31,460.07

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Solution

The fourth proportional to 64,749.86, 97,099.26 and 31,460.07 is: 47,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,749.86 : 97,099.26 = 31,460.07 : x
  2. Step 2: Convert to fraction form
    64,749.86/97,099.26 = 31,460.07/x
  3. Step 3: Cross multiply
    64,749.86x = 97,099.26 × 31,460.07
  4. Step 4: Simplify right side
    64,749.86x = 3,054,749,759.30
  5. Step 5: Solve for x
    x = 3,054,749,759.30/64,749.86
  6. Step 6: Final answer
    x = 47,177.71

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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.