Home / 90,849.21-125,264.63-62,182.71

Finding the Fourth Proportional to 90,849.21, 125,264.63 and 62,182.71

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Solution

The fourth proportional to 90,849.21, 125,264.63 and 62,182.71 is: 85,738.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,849.21 : 125,264.63 = 62,182.71 : x
  2. Step 2: Convert to fraction form
    90,849.21/125,264.63 = 62,182.71/x
  3. Step 3: Cross multiply
    90,849.21x = 125,264.63 × 62,182.71
  4. Step 4: Simplify right side
    90,849.21x = 7,789,293,849.63
  5. Step 5: Solve for x
    x = 7,789,293,849.63/90,849.21
  6. Step 6: Final answer
    x = 85,738.71

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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.