Home / 90,297.42-124,611.36-54,480.51

Finding the Fourth Proportional to 90,297.42, 124,611.36 and 54,480.51

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Solution

The fourth proportional to 90,297.42, 124,611.36 and 54,480.51 is: 75,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,297.42 : 124,611.36 = 54,480.51 : x
  2. Step 2: Convert to fraction form
    90,297.42/124,611.36 = 54,480.51/x
  3. Step 3: Cross multiply
    90,297.42x = 124,611.36 × 54,480.51
  4. Step 4: Simplify right side
    90,297.42x = 6,788,890,444.59
  5. Step 5: Solve for x
    x = 6,788,890,444.59/90,297.42
  6. Step 6: Final answer
    x = 75,183.66

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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.