Home / 90,110.48-124,348.56-49,273.82

Finding the Fourth Proportional to 90,110.48, 124,348.56 and 49,273.82

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Solution

The fourth proportional to 90,110.48, 124,348.56 and 49,273.82 is: 67,995.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,110.48 : 124,348.56 = 49,273.82 : x
  2. Step 2: Convert to fraction form
    90,110.48/124,348.56 = 49,273.82/x
  3. Step 3: Cross multiply
    90,110.48x = 124,348.56 × 49,273.82
  4. Step 4: Simplify right side
    90,110.48x = 6,127,128,562.70
  5. Step 5: Solve for x
    x = 6,127,128,562.70/90,110.48
  6. Step 6: Final answer
    x = 67,995.74

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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.