Home / 69,055.12-95,298.96-40,760.80

Finding the Fourth Proportional to 69,055.12, 95,298.96 and 40,760.80

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Solution

The fourth proportional to 69,055.12, 95,298.96 and 40,760.80 is: 56,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,055.12 : 95,298.96 = 40,760.80 : x
  2. Step 2: Convert to fraction form
    69,055.12/95,298.96 = 40,760.80/x
  3. Step 3: Cross multiply
    69,055.12x = 95,298.96 × 40,760.80
  4. Step 4: Simplify right side
    69,055.12x = 3,884,461,848.77
  5. Step 5: Solve for x
    x = 3,884,461,848.77/69,055.12
  6. Step 6: Final answer
    x = 56,251.61

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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.