Home / 90,423.26-124,783.49-50,137.04

Finding the Fourth Proportional to 90,423.26, 124,783.49 and 50,137.04

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Solution

The fourth proportional to 90,423.26, 124,783.49 and 50,137.04 is: 69,188.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,423.26 : 124,783.49 = 50,137.04 : x
  2. Step 2: Convert to fraction form
    90,423.26/124,783.49 = 50,137.04/x
  3. Step 3: Cross multiply
    90,423.26x = 124,783.49 × 50,137.04
  4. Step 4: Simplify right side
    90,423.26x = 6,256,274,578.78
  5. Step 5: Solve for x
    x = 6,256,274,578.78/90,423.26
  6. Step 6: Final answer
    x = 69,188.77

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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.