Home / 76,997.57-106,253.64-48,332.63

Finding the Fourth Proportional to 76,997.57, 106,253.64 and 48,332.63

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Solution

The fourth proportional to 76,997.57, 106,253.64 and 48,332.63 is: 66,697.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,997.57 : 106,253.64 = 48,332.63 : x
  2. Step 2: Convert to fraction form
    76,997.57/106,253.64 = 48,332.63/x
  3. Step 3: Cross multiply
    76,997.57x = 106,253.64 × 48,332.63
  4. Step 4: Simplify right side
    76,997.57x = 5,135,517,868.27
  5. Step 5: Solve for x
    x = 5,135,517,868.27/76,997.57
  6. Step 6: Final answer
    x = 66,697.14

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1.5x scale

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.