Home / 103,233.35-142,542.70-66,952.10

Finding the Fourth Proportional to 103,233.35, 142,542.70 and 66,952.10

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Solution

The fourth proportional to 103,233.35, 142,542.70 and 66,952.10 is: 92,446.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,233.35 : 142,542.70 = 66,952.10 : x
  2. Step 2: Convert to fraction form
    103,233.35/142,542.70 = 66,952.10/x
  3. Step 3: Cross multiply
    103,233.35x = 142,542.70 × 66,952.10
  4. Step 4: Simplify right side
    103,233.35x = 9,543,533,293.65
  5. Step 5: Solve for x
    x = 9,543,533,293.65/103,233.35
  6. Step 6: Final answer
    x = 92,446.22

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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.