Home / 92,983.88-128,320.26-50,545.28

Finding the Fourth Proportional to 92,983.88, 128,320.26 and 50,545.28

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Solution

The fourth proportional to 92,983.88, 128,320.26 and 50,545.28 is: 69,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,983.88 : 128,320.26 = 50,545.28 : x
  2. Step 2: Convert to fraction form
    92,983.88/128,320.26 = 50,545.28/x
  3. Step 3: Cross multiply
    92,983.88x = 128,320.26 × 50,545.28
  4. Step 4: Simplify right side
    92,983.88x = 6,485,983,471.37
  5. Step 5: Solve for x
    x = 6,485,983,471.37/92,983.88
  6. Step 6: Final answer
    x = 69,753.85

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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.