Home / 76,946.64-106,230.54-58,653.75

Finding the Fourth Proportional to 76,946.64, 106,230.54 and 58,653.75

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Solution

The fourth proportional to 76,946.64, 106,230.54 and 58,653.75 is: 80,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,946.64 : 106,230.54 = 58,653.75 : x
  2. Step 2: Convert to fraction form
    76,946.64/106,230.54 = 58,653.75/x
  3. Step 3: Cross multiply
    76,946.64x = 106,230.54 × 58,653.75
  4. Step 4: Simplify right side
    76,946.64x = 6,230,819,823.91
  5. Step 5: Solve for x
    x = 6,230,819,823.91/76,946.64
  6. Step 6: Final answer
    x = 80,975.85

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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.