Home / 66,206.57-99,309.89-19,492.25

Finding the Fourth Proportional to 66,206.57, 99,309.89 and 19,492.25

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Solution

The fourth proportional to 66,206.57, 99,309.89 and 19,492.25 is: 29,238.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,206.57 : 99,309.89 = 19,492.25 : x
  2. Step 2: Convert to fraction form
    66,206.57/99,309.89 = 19,492.25/x
  3. Step 3: Cross multiply
    66,206.57x = 99,309.89 × 19,492.25
  4. Step 4: Simplify right side
    66,206.57x = 1,935,772,755.53
  5. Step 5: Solve for x
    x = 1,935,772,755.53/66,206.57
  6. Step 6: Final answer
    x = 29,238.38

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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.