Home / 90,721.00-125,199.25-50,435.44

Finding the Fourth Proportional to 90,721.00, 125,199.25 and 50,435.44

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Solution

The fourth proportional to 90,721.00, 125,199.25 and 50,435.44 is: 69,603.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,721.00 : 125,199.25 = 50,435.44 : x
  2. Step 2: Convert to fraction form
    90,721.00/125,199.25 = 50,435.44/x
  3. Step 3: Cross multiply
    90,721.00x = 125,199.25 × 50,435.44
  4. Step 4: Simplify right side
    90,721.00x = 6,314,478,822.33
  5. Step 5: Solve for x
    x = 6,314,478,822.33/90,721.00
  6. Step 6: Final answer
    x = 69,603.28

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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.