Home / 74,975.09-112,518-35,532.32

Finding the Fourth Proportional to 74,975.09, 112,518 and 35,532.32

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Solution

The fourth proportional to 74,975.09, 112,518 and 35,532.32 is: 53,324.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.09 : 112,518 = 35,532.32 : x
  2. Step 2: Convert to fraction form
    74,975.09/112,518 = 35,532.32/x
  3. Step 3: Cross multiply
    74,975.09x = 112,518 × 35,532.32
  4. Step 4: Simplify right side
    74,975.09x = 3,998,025,019.17
  5. Step 5: Solve for x
    x = 3,998,025,019.17/74,975.09
  6. Step 6: Final answer
    x = 53,324.71

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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.