Home / 74,880.32-112,265.06-35,391.33

Finding the Fourth Proportional to 74,880.32, 112,265.06 and 35,391.33

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Solution

The fourth proportional to 74,880.32, 112,265.06 and 35,391.33 is: 53,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,880.32 : 112,265.06 = 35,391.33 : x
  2. Step 2: Convert to fraction form
    74,880.32/112,265.06 = 35,391.33/x
  3. Step 3: Cross multiply
    74,880.32x = 112,265.06 × 35,391.33
  4. Step 4: Simplify right side
    74,880.32x = 3,973,209,608.97
  5. Step 5: Solve for x
    x = 3,973,209,608.97/74,880.32
  6. Step 6: Final answer
    x = 53,060.80

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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.