Home / 76,296.44-114,297.06-42,915.08

Finding the Fourth Proportional to 76,296.44, 114,297.06 and 42,915.08

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Solution

The fourth proportional to 76,296.44, 114,297.06 and 42,915.08 is: 64,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,296.44 : 114,297.06 = 42,915.08 : x
  2. Step 2: Convert to fraction form
    76,296.44/114,297.06 = 42,915.08/x
  3. Step 3: Cross multiply
    76,296.44x = 114,297.06 × 42,915.08
  4. Step 4: Simplify right side
    76,296.44x = 4,905,067,473.66
  5. Step 5: Solve for x
    x = 4,905,067,473.66/76,296.44
  6. Step 6: Final answer
    x = 64,289.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.