Home / 56,983.76-78,616.68-35,755.28

Finding the Fourth Proportional to 56,983.76, 78,616.68 and 35,755.28

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Solution

The fourth proportional to 56,983.76, 78,616.68 and 35,755.28 is: 49,329.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,983.76 : 78,616.68 = 35,755.28 : x
  2. Step 2: Convert to fraction form
    56,983.76/78,616.68 = 35,755.28/x
  3. Step 3: Cross multiply
    56,983.76x = 78,616.68 × 35,755.28
  4. Step 4: Simplify right side
    56,983.76x = 2,810,961,406.07
  5. Step 5: Solve for x
    x = 2,810,961,406.07/56,983.76
  6. Step 6: Final answer
    x = 49,329.17

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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.