Home / 95,311.72-142,921.02-28,739.32

Finding the Fourth Proportional to 95,311.72, 142,921.02 and 28,739.32

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Solution

The fourth proportional to 95,311.72, 142,921.02 and 28,739.32 is: 43,094.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,311.72 : 142,921.02 = 28,739.32 : x
  2. Step 2: Convert to fraction form
    95,311.72/142,921.02 = 28,739.32/x
  3. Step 3: Cross multiply
    95,311.72x = 142,921.02 × 28,739.32
  4. Step 4: Simplify right side
    95,311.72x = 4,107,452,928.51
  5. Step 5: Solve for x
    x = 4,107,452,928.51/95,311.72
  6. Step 6: Final answer
    x = 43,094.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.