Home / 90,722.92-125,190.54-50,434.23

Finding the Fourth Proportional to 90,722.92, 125,190.54 and 50,434.23

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Solution

The fourth proportional to 90,722.92, 125,190.54 and 50,434.23 is: 69,595.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,722.92 : 125,190.54 = 50,434.23 : x
  2. Step 2: Convert to fraction form
    90,722.92/125,190.54 = 50,434.23/x
  3. Step 3: Cross multiply
    90,722.92x = 125,190.54 × 50,434.23
  4. Step 4: Simplify right side
    90,722.92x = 6,313,888,111.61
  5. Step 5: Solve for x
    x = 6,313,888,111.61/90,722.92
  6. Step 6: Final answer
    x = 69,595.29

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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.