Home / 89,140.69-123,015.09-48,853.57

Finding the Fourth Proportional to 89,140.69, 123,015.09 and 48,853.57

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Solution

The fourth proportional to 89,140.69, 123,015.09 and 48,853.57 is: 67,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,140.69 : 123,015.09 = 48,853.57 : x
  2. Step 2: Convert to fraction form
    89,140.69/123,015.09 = 48,853.57/x
  3. Step 3: Cross multiply
    89,140.69x = 123,015.09 × 48,853.57
  4. Step 4: Simplify right side
    89,140.69x = 6,009,726,310.37
  5. Step 5: Solve for x
    x = 6,009,726,310.37/89,140.69
  6. Step 6: Final answer
    x = 67,418.44

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1.5x scale

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.