Home / 64,754.19-97,139.52-18,007.11

Finding the Fourth Proportional to 64,754.19, 97,139.52 and 18,007.11

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Solution

The fourth proportional to 64,754.19, 97,139.52 and 18,007.11 is: 27,012.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,754.19 : 97,139.52 = 18,007.11 : x
  2. Step 2: Convert to fraction form
    64,754.19/97,139.52 = 18,007.11/x
  3. Step 3: Cross multiply
    64,754.19x = 97,139.52 × 18,007.11
  4. Step 4: Simplify right side
    64,754.19x = 1,749,202,021.99
  5. Step 5: Solve for x
    x = 1,749,202,021.99/64,754.19
  6. Step 6: Final answer
    x = 27,012.96

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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.