Home / 82,621.89-114,053.13-55,800.77

Finding the Fourth Proportional to 82,621.89, 114,053.13 and 55,800.77

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Solution

The fourth proportional to 82,621.89, 114,053.13 and 55,800.77 is: 77,028.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,621.89 : 114,053.13 = 55,800.77 : x
  2. Step 2: Convert to fraction form
    82,621.89/114,053.13 = 55,800.77/x
  3. Step 3: Cross multiply
    82,621.89x = 114,053.13 × 55,800.77
  4. Step 4: Simplify right side
    82,621.89x = 6,364,251,904.64
  5. Step 5: Solve for x
    x = 6,364,251,904.64/82,621.89
  6. Step 6: Final answer
    x = 77,028.64

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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.