Home / 68,700.33-102,898.23-52,788.23

Finding the Fourth Proportional to 68,700.33, 102,898.23 and 52,788.23

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Solution

The fourth proportional to 68,700.33, 102,898.23 and 52,788.23 is: 79,065.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,700.33 : 102,898.23 = 52,788.23 : x
  2. Step 2: Convert to fraction form
    68,700.33/102,898.23 = 52,788.23/x
  3. Step 3: Cross multiply
    68,700.33x = 102,898.23 × 52,788.23
  4. Step 4: Simplify right side
    68,700.33x = 5,431,815,689.08
  5. Step 5: Solve for x
    x = 5,431,815,689.08/68,700.33
  6. Step 6: Final answer
    x = 79,065.35

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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.