Home / 68,461.81-102,691.61-26,351.04

Finding the Fourth Proportional to 68,461.81, 102,691.61 and 26,351.04

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Solution

The fourth proportional to 68,461.81, 102,691.61 and 26,351.04 is: 39,526.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,461.81 : 102,691.61 = 26,351.04 : x
  2. Step 2: Convert to fraction form
    68,461.81/102,691.61 = 26,351.04/x
  3. Step 3: Cross multiply
    68,461.81x = 102,691.61 × 26,351.04
  4. Step 4: Simplify right side
    68,461.81x = 2,706,031,075.88
  5. Step 5: Solve for x
    x = 2,706,031,075.88/68,461.81
  6. Step 6: Final answer
    x = 39,526.14

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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.