Home / 115,743.32-173,631.12-35,787.81

Finding the Fourth Proportional to 115,743.32, 173,631.12 and 35,787.81

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Solution

The fourth proportional to 115,743.32, 173,631.12 and 35,787.81 is: 53,686.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,743.32 : 173,631.12 = 35,787.81 : x
  2. Step 2: Convert to fraction form
    115,743.32/173,631.12 = 35,787.81/x
  3. Step 3: Cross multiply
    115,743.32x = 173,631.12 × 35,787.81
  4. Step 4: Simplify right side
    115,743.32x = 6,213,877,532.65
  5. Step 5: Solve for x
    x = 6,213,877,532.65/115,743.32
  6. Step 6: Final answer
    x = 53,686.71

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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.