Home / 90,864.72-125,392.32-50,028.48

Finding the Fourth Proportional to 90,864.72, 125,392.32 and 50,028.48

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Solution

The fourth proportional to 90,864.72, 125,392.32 and 50,028.48 is: 69,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,864.72 : 125,392.32 = 50,028.48 : x
  2. Step 2: Convert to fraction form
    90,864.72/125,392.32 = 50,028.48/x
  3. Step 3: Cross multiply
    90,864.72x = 125,392.32 × 50,028.48
  4. Step 4: Simplify right side
    90,864.72x = 6,273,187,173.27
  5. Step 5: Solve for x
    x = 6,273,187,173.27/90,864.72
  6. Step 6: Final answer
    x = 69,038.76

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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.