Home / 68,586.47-102,869.09-26,460.41

Finding the Fourth Proportional to 68,586.47, 102,869.09 and 26,460.41

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Solution

The fourth proportional to 68,586.47, 102,869.09 and 26,460.41 is: 39,686.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,586.47 : 102,869.09 = 26,460.41 : x
  2. Step 2: Convert to fraction form
    68,586.47/102,869.09 = 26,460.41/x
  3. Step 3: Cross multiply
    68,586.47x = 102,869.09 × 26,460.41
  4. Step 4: Simplify right side
    68,586.47x = 2,721,957,750.31
  5. Step 5: Solve for x
    x = 2,721,957,750.31/68,586.47
  6. Step 6: Final answer
    x = 39,686.51

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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.