Home / 103,687.41-143,088.66-60,675.17

Finding the Fourth Proportional to 103,687.41, 143,088.66 and 60,675.17

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Solution

The fourth proportional to 103,687.41, 143,088.66 and 60,675.17 is: 83,731.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,687.41 : 143,088.66 = 60,675.17 : x
  2. Step 2: Convert to fraction form
    103,687.41/143,088.66 = 60,675.17/x
  3. Step 3: Cross multiply
    103,687.41x = 143,088.66 × 60,675.17
  4. Step 4: Simplify right side
    103,687.41x = 8,681,928,770.57
  5. Step 5: Solve for x
    x = 8,681,928,770.57/103,687.41
  6. Step 6: Final answer
    x = 83,731.75

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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.