Home / 90,765.74-125,247.13-50,473.00

Finding the Fourth Proportional to 90,765.74, 125,247.13 and 50,473.00

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Solution

The fourth proportional to 90,765.74, 125,247.13 and 50,473.00 is: 69,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,765.74 : 125,247.13 = 50,473.00 : x
  2. Step 2: Convert to fraction form
    90,765.74/125,247.13 = 50,473.00/x
  3. Step 3: Cross multiply
    90,765.74x = 125,247.13 × 50,473.00
  4. Step 4: Simplify right side
    90,765.74x = 6,321,598,422.87
  5. Step 5: Solve for x
    x = 6,321,598,422.87/90,765.74
  6. Step 6: Final answer
    x = 69,647.40

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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.