Home / 68,277.66-102,416.49-21,534.18

Finding the Fourth Proportional to 68,277.66, 102,416.49 and 21,534.18

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Solution

The fourth proportional to 68,277.66, 102,416.49 and 21,534.18 is: 32,301.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,277.66 : 102,416.49 = 21,534.18 : x
  2. Step 2: Convert to fraction form
    68,277.66/102,416.49 = 21,534.18/x
  3. Step 3: Cross multiply
    68,277.66x = 102,416.49 × 21,534.18
  4. Step 4: Simplify right side
    68,277.66x = 2,205,455,130.63
  5. Step 5: Solve for x
    x = 2,205,455,130.63/68,277.66
  6. Step 6: Final answer
    x = 32,301.27

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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.