Home / 51,098.24-76,644.20-19,071.08

Finding the Fourth Proportional to 51,098.24, 76,644.20 and 19,071.08

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Solution

The fourth proportional to 51,098.24, 76,644.20 and 19,071.08 is: 28,605.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.24 : 76,644.20 = 19,071.08 : x
  2. Step 2: Convert to fraction form
    51,098.24/76,644.20 = 19,071.08/x
  3. Step 3: Cross multiply
    51,098.24x = 76,644.20 × 19,071.08
  4. Step 4: Simplify right side
    51,098.24x = 1,461,687,621.61
  5. Step 5: Solve for x
    x = 1,461,687,621.61/51,098.24
  6. Step 6: Final answer
    x = 28,605.44

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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.