Home / 77,848.32-107,033.88-69,267.60

Finding the Fourth Proportional to 77,848.32, 107,033.88 and 69,267.60

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Solution

The fourth proportional to 77,848.32, 107,033.88 and 69,267.60 is: 95,236.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,848.32 : 107,033.88 = 69,267.60 : x
  2. Step 2: Convert to fraction form
    77,848.32/107,033.88 = 69,267.60/x
  3. Step 3: Cross multiply
    77,848.32x = 107,033.88 × 69,267.60
  4. Step 4: Simplify right side
    77,848.32x = 7,413,979,986.29
  5. Step 5: Solve for x
    x = 7,413,979,986.29/77,848.32
  6. Step 6: Final answer
    x = 95,236.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.