Home / 90,052.42-124,268.99-51,817.88

Finding the Fourth Proportional to 90,052.42, 124,268.99 and 51,817.88

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Solution

The fourth proportional to 90,052.42, 124,268.99 and 51,817.88 is: 71,506.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,052.42 : 124,268.99 = 51,817.88 : x
  2. Step 2: Convert to fraction form
    90,052.42/124,268.99 = 51,817.88/x
  3. Step 3: Cross multiply
    90,052.42x = 124,268.99 × 51,817.88
  4. Step 4: Simplify right side
    90,052.42x = 6,439,354,964.11
  5. Step 5: Solve for x
    x = 6,439,354,964.11/90,052.42
  6. Step 6: Final answer
    x = 71,506.74

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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.