Home / 66,472.64-99,707.68-17,223.36

Finding the Fourth Proportional to 66,472.64, 99,707.68 and 17,223.36

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Solution

The fourth proportional to 66,472.64, 99,707.68 and 17,223.36 is: 25,834.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,472.64 : 99,707.68 = 17,223.36 : x
  2. Step 2: Convert to fraction form
    66,472.64/99,707.68 = 17,223.36/x
  3. Step 3: Cross multiply
    66,472.64x = 99,707.68 × 17,223.36
  4. Step 4: Simplify right side
    66,472.64x = 1,717,301,267.40
  5. Step 5: Solve for x
    x = 1,717,301,267.40/66,472.64
  6. Step 6: Final answer
    x = 25,834.71

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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.