Home / 77,913.28-116,835.28-48,329.92

Finding the Fourth Proportional to 77,913.28, 116,835.28 and 48,329.92

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Solution

The fourth proportional to 77,913.28, 116,835.28 and 48,329.92 is: 72,473.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,913.28 : 116,835.28 = 48,329.92 : x
  2. Step 2: Convert to fraction form
    77,913.28/116,835.28 = 48,329.92/x
  3. Step 3: Cross multiply
    77,913.28x = 116,835.28 × 48,329.92
  4. Step 4: Simplify right side
    77,913.28x = 5,646,639,735.58
  5. Step 5: Solve for x
    x = 5,646,639,735.58/77,913.28
  6. Step 6: Final answer
    x = 72,473.39

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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.