Home / 90,616.56-125,051.64-52,883.44

Finding the Fourth Proportional to 90,616.56, 125,051.64 and 52,883.44

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Solution

The fourth proportional to 90,616.56, 125,051.64 and 52,883.44 is: 72,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,616.56 : 125,051.64 = 52,883.44 : x
  2. Step 2: Convert to fraction form
    90,616.56/125,051.64 = 52,883.44/x
  3. Step 3: Cross multiply
    90,616.56x = 125,051.64 × 52,883.44
  4. Step 4: Simplify right side
    90,616.56x = 6,613,160,900.84
  5. Step 5: Solve for x
    x = 6,613,160,900.84/90,616.56
  6. Step 6: Final answer
    x = 72,979.61

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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.