Home / 82,790.24-114,252-45,064.76

Finding the Fourth Proportional to 82,790.24, 114,252 and 45,064.76

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Solution

The fourth proportional to 82,790.24, 114,252 and 45,064.76 is: 62,190.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,790.24 : 114,252 = 45,064.76 : x
  2. Step 2: Convert to fraction form
    82,790.24/114,252 = 45,064.76/x
  3. Step 3: Cross multiply
    82,790.24x = 114,252 × 45,064.76
  4. Step 4: Simplify right side
    82,790.24x = 5,148,738,959.52
  5. Step 5: Solve for x
    x = 5,148,738,959.52/82,790.24
  6. Step 6: Final answer
    x = 62,190.17

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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.