Home / 115,027.56-158,739.30-63,350.46

Finding the Fourth Proportional to 115,027.56, 158,739.30 and 63,350.46

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Solution

The fourth proportional to 115,027.56, 158,739.30 and 63,350.46 is: 87,424.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,027.56 : 158,739.30 = 63,350.46 : x
  2. Step 2: Convert to fraction form
    115,027.56/158,739.30 = 63,350.46/x
  3. Step 3: Cross multiply
    115,027.56x = 158,739.30 × 63,350.46
  4. Step 4: Simplify right side
    115,027.56x = 10,056,207,675.08
  5. Step 5: Solve for x
    x = 10,056,207,675.08/115,027.56
  6. Step 6: Final answer
    x = 87,424.33

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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.