Home / 45,872.11-68,808.23-12,592.59

Finding the Fourth Proportional to 45,872.11, 68,808.23 and 12,592.59

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Solution

The fourth proportional to 45,872.11, 68,808.23 and 12,592.59 is: 18,888.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,872.11 : 68,808.23 = 12,592.59 : x
  2. Step 2: Convert to fraction form
    45,872.11/68,808.23 = 12,592.59/x
  3. Step 3: Cross multiply
    45,872.11x = 68,808.23 × 12,592.59
  4. Step 4: Simplify right side
    45,872.11x = 866,473,829.02
  5. Step 5: Solve for x
    x = 866,473,829.02/45,872.11
  6. Step 6: Final answer
    x = 18,888.90

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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.