Home / 76,766.02-115,099.82-53,007

Finding the Fourth Proportional to 76,766.02, 115,099.82 and 53,007

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Solution

The fourth proportional to 76,766.02, 115,099.82 and 53,007 is: 79,476.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,766.02 : 115,099.82 = 53,007 : x
  2. Step 2: Convert to fraction form
    76,766.02/115,099.82 = 53,007/x
  3. Step 3: Cross multiply
    76,766.02x = 115,099.82 × 53,007
  4. Step 4: Simplify right side
    76,766.02x = 6,101,096,158.74
  5. Step 5: Solve for x
    x = 6,101,096,158.74/76,766.02
  6. Step 6: Final answer
    x = 79,476.52

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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.