Home / 103,675.14-142,998.00-69,202.49

Finding the Fourth Proportional to 103,675.14, 142,998.00 and 69,202.49

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Solution

The fourth proportional to 103,675.14, 142,998.00 and 69,202.49 is: 95,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,675.14 : 142,998.00 = 69,202.49 : x
  2. Step 2: Convert to fraction form
    103,675.14/142,998.00 = 69,202.49/x
  3. Step 3: Cross multiply
    103,675.14x = 142,998.00 × 69,202.49
  4. Step 4: Simplify right side
    103,675.14x = 9,895,817,763.01
  5. Step 5: Solve for x
    x = 9,895,817,763.01/103,675.14
  6. Step 6: Final answer
    x = 95,450.25

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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.