Home / 90,727.56-135,951.21-48,613.23

Finding the Fourth Proportional to 90,727.56, 135,951.21 and 48,613.23

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Solution

The fourth proportional to 90,727.56, 135,951.21 and 48,613.23 is: 72,844.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,727.56 : 135,951.21 = 48,613.23 : x
  2. Step 2: Convert to fraction form
    90,727.56/135,951.21 = 48,613.23/x
  3. Step 3: Cross multiply
    90,727.56x = 135,951.21 × 48,613.23
  4. Step 4: Simplify right side
    90,727.56x = 6,609,027,440.51
  5. Step 5: Solve for x
    x = 6,609,027,440.51/90,727.56
  6. Step 6: Final answer
    x = 72,844.76

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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.