Home / 90,046.54-124,263.75-49,763.10

Finding the Fourth Proportional to 90,046.54, 124,263.75 and 49,763.10

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Solution

The fourth proportional to 90,046.54, 124,263.75 and 49,763.10 is: 68,672.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,046.54 : 124,263.75 = 49,763.10 : x
  2. Step 2: Convert to fraction form
    90,046.54/124,263.75 = 49,763.10/x
  3. Step 3: Cross multiply
    90,046.54x = 124,263.75 × 49,763.10
  4. Step 4: Simplify right side
    90,046.54x = 6,183,749,417.63
  5. Step 5: Solve for x
    x = 6,183,749,417.63/90,046.54
  6. Step 6: Final answer
    x = 68,672.82

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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.