Home / 55,288.16-76,310.04-35,141.12

Finding the Fourth Proportional to 55,288.16, 76,310.04 and 35,141.12

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Solution

The fourth proportional to 55,288.16, 76,310.04 and 35,141.12 is: 48,502.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.16 : 76,310.04 = 35,141.12 : x
  2. Step 2: Convert to fraction form
    55,288.16/76,310.04 = 35,141.12/x
  3. Step 3: Cross multiply
    55,288.16x = 76,310.04 × 35,141.12
  4. Step 4: Simplify right side
    55,288.16x = 2,681,620,272.84
  5. Step 5: Solve for x
    x = 2,681,620,272.84/55,288.16
  6. Step 6: Final answer
    x = 48,502.61

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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.