Home / 103,329.81-142,578.16-60,882.57

Finding the Fourth Proportional to 103,329.81, 142,578.16 and 60,882.57

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Solution

The fourth proportional to 103,329.81, 142,578.16 and 60,882.57 is: 84,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,329.81 : 142,578.16 = 60,882.57 : x
  2. Step 2: Convert to fraction form
    103,329.81/142,578.16 = 60,882.57/x
  3. Step 3: Cross multiply
    103,329.81x = 142,578.16 × 60,882.57
  4. Step 4: Simplify right side
    103,329.81x = 8,680,524,654.46
  5. Step 5: Solve for x
    x = 8,680,524,654.46/103,329.81
  6. Step 6: Final answer
    x = 84,007.94

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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.