Home / 117,145.30-175,834.59-64,579.54

Finding the Fourth Proportional to 117,145.30, 175,834.59 and 64,579.54

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Solution

The fourth proportional to 117,145.30, 175,834.59 and 64,579.54 is: 96,933.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,145.30 : 175,834.59 = 64,579.54 : x
  2. Step 2: Convert to fraction form
    117,145.30/175,834.59 = 64,579.54/x
  3. Step 3: Cross multiply
    117,145.30x = 175,834.59 × 64,579.54
  4. Step 4: Simplify right side
    117,145.30x = 11,355,316,938.29
  5. Step 5: Solve for x
    x = 11,355,316,938.29/117,145.30
  6. Step 6: Final answer
    x = 96,933.61

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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.