Home / 51,122.55-76,671.90-19,521.01

Finding the Fourth Proportional to 51,122.55, 76,671.90 and 19,521.01

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Solution

The fourth proportional to 51,122.55, 76,671.90 and 19,521.01 is: 29,276.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,122.55 : 76,671.90 = 19,521.01 : x
  2. Step 2: Convert to fraction form
    51,122.55/76,671.90 = 19,521.01/x
  3. Step 3: Cross multiply
    51,122.55x = 76,671.90 × 19,521.01
  4. Step 4: Simplify right side
    51,122.55x = 1,496,712,926.62
  5. Step 5: Solve for x
    x = 1,496,712,926.62/51,122.55
  6. Step 6: Final answer
    x = 29,276.96

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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.