Home / 51,098.75-76,644.95-19,071.58

Finding the Fourth Proportional to 51,098.75, 76,644.95 and 19,071.58

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Solution

The fourth proportional to 51,098.75, 76,644.95 and 19,071.58 is: 28,606.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.75 : 76,644.95 = 19,071.58 : x
  2. Step 2: Convert to fraction form
    51,098.75/76,644.95 = 19,071.58/x
  3. Step 3: Cross multiply
    51,098.75x = 76,644.95 × 19,071.58
  4. Step 4: Simplify right side
    51,098.75x = 1,461,740,295.52
  5. Step 5: Solve for x
    x = 1,461,740,295.52/51,098.75
  6. Step 6: Final answer
    x = 28,606.19

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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.