Home / 123,233.04-170,061.66-66,644.43

Finding the Fourth Proportional to 123,233.04, 170,061.66 and 66,644.43

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Solution

The fourth proportional to 123,233.04, 170,061.66 and 66,644.43 is: 91,969.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,233.04 : 170,061.66 = 66,644.43 : x
  2. Step 2: Convert to fraction form
    123,233.04/170,061.66 = 66,644.43/x
  3. Step 3: Cross multiply
    123,233.04x = 170,061.66 × 66,644.43
  4. Step 4: Simplify right side
    123,233.04x = 11,333,662,395.55
  5. Step 5: Solve for x
    x = 11,333,662,395.55/123,233.04
  6. Step 6: Final answer
    x = 91,969.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.