Home / 88,391.91-121,983.55-50,153.05

Finding the Fourth Proportional to 88,391.91, 121,983.55 and 50,153.05

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Solution

The fourth proportional to 88,391.91, 121,983.55 and 50,153.05 is: 69,212.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,391.91 : 121,983.55 = 50,153.05 : x
  2. Step 2: Convert to fraction form
    88,391.91/121,983.55 = 50,153.05/x
  3. Step 3: Cross multiply
    88,391.91x = 121,983.55 × 50,153.05
  4. Step 4: Simplify right side
    88,391.91x = 6,117,846,651.99
  5. Step 5: Solve for x
    x = 6,117,846,651.99/88,391.91
  6. Step 6: Final answer
    x = 69,212.74

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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.