Home / 64,099.64-96,144.82-28,079.75

Finding the Fourth Proportional to 64,099.64, 96,144.82 and 28,079.75

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Solution

The fourth proportional to 64,099.64, 96,144.82 and 28,079.75 is: 42,117.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,099.64 : 96,144.82 = 28,079.75 : x
  2. Step 2: Convert to fraction form
    64,099.64/96,144.82 = 28,079.75/x
  3. Step 3: Cross multiply
    64,099.64x = 96,144.82 × 28,079.75
  4. Step 4: Simplify right side
    64,099.64x = 2,699,722,679.56
  5. Step 5: Solve for x
    x = 2,699,722,679.56/64,099.64
  6. Step 6: Final answer
    x = 42,117.59

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1.5x scale

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.