Home / 64,520.21-96,780.13-17,140.06

Finding the Fourth Proportional to 64,520.21, 96,780.13 and 17,140.06

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Solution

The fourth proportional to 64,520.21, 96,780.13 and 17,140.06 is: 25,710.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,520.21 : 96,780.13 = 17,140.06 : x
  2. Step 2: Convert to fraction form
    64,520.21/96,780.13 = 17,140.06/x
  3. Step 3: Cross multiply
    64,520.21x = 96,780.13 × 17,140.06
  4. Step 4: Simplify right side
    64,520.21x = 1,658,816,950.21
  5. Step 5: Solve for x
    x = 1,658,816,950.21/64,520.21
  6. Step 6: Final answer
    x = 25,710.04

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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.