Home / 90,300.90-124,611.78-50,016.36

Finding the Fourth Proportional to 90,300.90, 124,611.78 and 50,016.36

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Solution

The fourth proportional to 90,300.90, 124,611.78 and 50,016.36 is: 69,020.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,300.90 : 124,611.78 = 50,016.36 : x
  2. Step 2: Convert to fraction form
    90,300.90/124,611.78 = 50,016.36/x
  3. Step 3: Cross multiply
    90,300.90x = 124,611.78 × 50,016.36
  4. Step 4: Simplify right side
    90,300.90x = 6,232,627,648.72
  5. Step 5: Solve for x
    x = 6,232,627,648.72/90,300.90
  6. Step 6: Final answer
    x = 69,020.66

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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.