Home / 64,741.08-96,891.72-39,768

Finding the Fourth Proportional to 64,741.08, 96,891.72 and 39,768

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Solution

The fourth proportional to 64,741.08, 96,891.72 and 39,768 is: 59,516.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,741.08 : 96,891.72 = 39,768 : x
  2. Step 2: Convert to fraction form
    64,741.08/96,891.72 = 39,768/x
  3. Step 3: Cross multiply
    64,741.08x = 96,891.72 × 39,768
  4. Step 4: Simplify right side
    64,741.08x = 3,853,189,920.96
  5. Step 5: Solve for x
    x = 3,853,189,920.96/64,741.08
  6. Step 6: Final answer
    x = 59,516.92

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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.