Home / 89,860.50-124,007.49-50,116.50

Finding the Fourth Proportional to 89,860.50, 124,007.49 and 50,116.50

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Solution

The fourth proportional to 89,860.50, 124,007.49 and 50,116.50 is: 69,160.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,860.50 : 124,007.49 = 50,116.50 : x
  2. Step 2: Convert to fraction form
    89,860.50/124,007.49 = 50,116.50/x
  3. Step 3: Cross multiply
    89,860.50x = 124,007.49 × 50,116.50
  4. Step 4: Simplify right side
    89,860.50x = 6,214,821,372.59
  5. Step 5: Solve for x
    x = 6,214,821,372.59/89,860.50
  6. Step 6: Final answer
    x = 69,160.77

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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.