Home / 90,410.44-124,773.76-50,136.82

Finding the Fourth Proportional to 90,410.44, 124,773.76 and 50,136.82

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Solution

The fourth proportional to 90,410.44, 124,773.76 and 50,136.82 is: 69,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,410.44 : 124,773.76 = 50,136.82 : x
  2. Step 2: Convert to fraction form
    90,410.44/124,773.76 = 50,136.82/x
  3. Step 3: Cross multiply
    90,410.44x = 124,773.76 × 50,136.82
  4. Step 4: Simplify right side
    90,410.44x = 6,255,759,545.84
  5. Step 5: Solve for x
    x = 6,255,759,545.84/90,410.44
  6. Step 6: Final answer
    x = 69,192.89

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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.