Home / 90,757.32-125,226.74-53,024.28

Finding the Fourth Proportional to 90,757.32, 125,226.74 and 53,024.28

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Solution

The fourth proportional to 90,757.32, 125,226.74 and 53,024.28 is: 73,162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,757.32 : 125,226.74 = 53,024.28 : x
  2. Step 2: Convert to fraction form
    90,757.32/125,226.74 = 53,024.28/x
  3. Step 3: Cross multiply
    90,757.32x = 125,226.74 × 53,024.28
  4. Step 4: Simplify right side
    90,757.32x = 6,640,057,725.25
  5. Step 5: Solve for x
    x = 6,640,057,725.25/90,757.32
  6. Step 6: Final answer
    x = 73,162.78

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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.