Home / 90,106.01-124,355.36-49,822.82

Finding the Fourth Proportional to 90,106.01, 124,355.36 and 49,822.82

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Solution

The fourth proportional to 90,106.01, 124,355.36 and 49,822.82 is: 68,760.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,106.01 : 124,355.36 = 49,822.82 : x
  2. Step 2: Convert to fraction form
    90,106.01/124,355.36 = 49,822.82/x
  3. Step 3: Cross multiply
    90,106.01x = 124,355.36 × 49,822.82
  4. Step 4: Simplify right side
    90,106.01x = 6,195,734,717.32
  5. Step 5: Solve for x
    x = 6,195,734,717.32/90,106.01
  6. Step 6: Final answer
    x = 68,760.50

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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.