Home / 90,324.84-124,644.96-50,040.36

Finding the Fourth Proportional to 90,324.84, 124,644.96 and 50,040.36

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Solution

The fourth proportional to 90,324.84, 124,644.96 and 50,040.36 is: 69,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,324.84 : 124,644.96 = 50,040.36 : x
  2. Step 2: Convert to fraction form
    90,324.84/124,644.96 = 50,040.36/x
  3. Step 3: Cross multiply
    90,324.84x = 124,644.96 × 50,040.36
  4. Step 4: Simplify right side
    90,324.84x = 6,237,278,670.59
  5. Step 5: Solve for x
    x = 6,237,278,670.59/90,324.84
  6. Step 6: Final answer
    x = 69,053.86

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1.5x scale

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.