Home / 91,431.72-137,157.30-24,872.94

Finding the Fourth Proportional to 91,431.72, 137,157.30 and 24,872.94

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Solution

The fourth proportional to 91,431.72, 137,157.30 and 24,872.94 is: 37,312.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,431.72 : 137,157.30 = 24,872.94 : x
  2. Step 2: Convert to fraction form
    91,431.72/137,157.30 = 24,872.94/x
  3. Step 3: Cross multiply
    91,431.72x = 137,157.30 × 24,872.94
  4. Step 4: Simplify right side
    91,431.72x = 3,411,505,293.46
  5. Step 5: Solve for x
    x = 3,411,505,293.46/91,431.72
  6. Step 6: Final answer
    x = 37,312.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.