Home / 68,528.14-102,778-26,393.74

Finding the Fourth Proportional to 68,528.14, 102,778 and 26,393.74

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Solution

The fourth proportional to 68,528.14, 102,778 and 26,393.74 is: 39,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,528.14 : 102,778 = 26,393.74 : x
  2. Step 2: Convert to fraction form
    68,528.14/102,778 = 26,393.74/x
  3. Step 3: Cross multiply
    68,528.14x = 102,778 × 26,393.74
  4. Step 4: Simplify right side
    68,528.14x = 2,712,695,809.72
  5. Step 5: Solve for x
    x = 2,712,695,809.72/68,528.14
  6. Step 6: Final answer
    x = 39,585.14

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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.