Home / 90,409.94-124,773.09-50,136.32

Finding the Fourth Proportional to 90,409.94, 124,773.09 and 50,136.32

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Solution

The fourth proportional to 90,409.94, 124,773.09 and 50,136.32 is: 69,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,409.94 : 124,773.09 = 50,136.32 : x
  2. Step 2: Convert to fraction form
    90,409.94/124,773.09 = 50,136.32/x
  3. Step 3: Cross multiply
    90,409.94x = 124,773.09 × 50,136.32
  4. Step 4: Simplify right side
    90,409.94x = 6,255,663,567.63
  5. Step 5: Solve for x
    x = 6,255,663,567.63/90,409.94
  6. Step 6: Final answer
    x = 69,192.21

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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.