Home / 90,599.25-125,027.01-50,319.57

Finding the Fourth Proportional to 90,599.25, 125,027.01 and 50,319.57

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Solution

The fourth proportional to 90,599.25, 125,027.01 and 50,319.57 is: 69,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,599.25 : 125,027.01 = 50,319.57 : x
  2. Step 2: Convert to fraction form
    90,599.25/125,027.01 = 50,319.57/x
  3. Step 3: Cross multiply
    90,599.25x = 125,027.01 × 50,319.57
  4. Step 4: Simplify right side
    90,599.25x = 6,291,305,381.59
  5. Step 5: Solve for x
    x = 6,291,305,381.59/90,599.25
  6. Step 6: Final answer
    x = 69,441.03

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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.