Home / 64,558.08-96,749.50-31,211.72

Finding the Fourth Proportional to 64,558.08, 96,749.50 and 31,211.72

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Solution

The fourth proportional to 64,558.08, 96,749.50 and 31,211.72 is: 46,775.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558.08 : 96,749.50 = 31,211.72 : x
  2. Step 2: Convert to fraction form
    64,558.08/96,749.50 = 31,211.72/x
  3. Step 3: Cross multiply
    64,558.08x = 96,749.50 × 31,211.72
  4. Step 4: Simplify right side
    64,558.08x = 3,019,718,304.14
  5. Step 5: Solve for x
    x = 3,019,718,304.14/64,558.08
  6. Step 6: Final answer
    x = 46,775.22

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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.