Home / 89,835.42-134,730.12-26,640.74

Finding the Fourth Proportional to 89,835.42, 134,730.12 and 26,640.74

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Solution

The fourth proportional to 89,835.42, 134,730.12 and 26,640.74 is: 39,954.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,835.42 : 134,730.12 = 26,640.74 : x
  2. Step 2: Convert to fraction form
    89,835.42/134,730.12 = 26,640.74/x
  3. Step 3: Cross multiply
    89,835.42x = 134,730.12 × 26,640.74
  4. Step 4: Simplify right side
    89,835.42x = 3,589,310,097.09
  5. Step 5: Solve for x
    x = 3,589,310,097.09/89,835.42
  6. Step 6: Final answer
    x = 39,954.29

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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.