Home / 90,504.48-124,896.96-50,220.96

Finding the Fourth Proportional to 90,504.48, 124,896.96 and 50,220.96

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Solution

The fourth proportional to 90,504.48, 124,896.96 and 50,220.96 is: 69,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,504.48 : 124,896.96 = 50,220.96 : x
  2. Step 2: Convert to fraction form
    90,504.48/124,896.96 = 50,220.96/x
  3. Step 3: Cross multiply
    90,504.48x = 124,896.96 × 50,220.96
  4. Step 4: Simplify right side
    90,504.48x = 6,272,445,232.28
  5. Step 5: Solve for x
    x = 6,272,445,232.28/90,504.48
  6. Step 6: Final answer
    x = 69,305.36

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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.