Home / 69,990.12-96,562.26-48,761.64

Finding the Fourth Proportional to 69,990.12, 96,562.26 and 48,761.64

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Solution

The fourth proportional to 69,990.12, 96,562.26 and 48,761.64 is: 67,274.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,990.12 : 96,562.26 = 48,761.64 : x
  2. Step 2: Convert to fraction form
    69,990.12/96,562.26 = 48,761.64/x
  3. Step 3: Cross multiply
    69,990.12x = 96,562.26 × 48,761.64
  4. Step 4: Simplify right side
    69,990.12x = 4,708,534,159.71
  5. Step 5: Solve for x
    x = 4,708,534,159.71/69,990.12
  6. Step 6: Final answer
    x = 67,274.27

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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.