Home / 55,862.46-77,068.26-31,976.28

Finding the Fourth Proportional to 55,862.46, 77,068.26 and 31,976.28

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Solution

The fourth proportional to 55,862.46, 77,068.26 and 31,976.28 is: 44,114.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,862.46 : 77,068.26 = 31,976.28 : x
  2. Step 2: Convert to fraction form
    55,862.46/77,068.26 = 31,976.28/x
  3. Step 3: Cross multiply
    55,862.46x = 77,068.26 × 31,976.28
  4. Step 4: Simplify right side
    55,862.46x = 2,464,356,260.87
  5. Step 5: Solve for x
    x = 2,464,356,260.87/55,862.46
  6. Step 6: Final answer
    x = 44,114.71

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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.