Home / 64,857.92-97,130.12-53,682.34

Finding the Fourth Proportional to 64,857.92, 97,130.12 and 53,682.34

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Solution

The fourth proportional to 64,857.92, 97,130.12 and 53,682.34 is: 80,393.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,857.92 : 97,130.12 = 53,682.34 : x
  2. Step 2: Convert to fraction form
    64,857.92/97,130.12 = 53,682.34/x
  3. Step 3: Cross multiply
    64,857.92x = 97,130.12 × 53,682.34
  4. Step 4: Simplify right side
    64,857.92x = 5,214,172,126.08
  5. Step 5: Solve for x
    x = 5,214,172,126.08/64,857.92
  6. Step 6: Final answer
    x = 80,393.76

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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.