Home / 74,971.64-112,512.92-35,528.83

Finding the Fourth Proportional to 74,971.64, 112,512.92 and 35,528.83

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Solution

The fourth proportional to 74,971.64, 112,512.92 and 35,528.83 is: 53,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,971.64 : 112,512.92 = 35,528.83 : x
  2. Step 2: Convert to fraction form
    74,971.64/112,512.92 = 35,528.83/x
  3. Step 3: Cross multiply
    74,971.64x = 112,512.92 × 35,528.83
  4. Step 4: Simplify right side
    74,971.64x = 3,997,451,948.56
  5. Step 5: Solve for x
    x = 3,997,451,948.56/74,971.64
  6. Step 6: Final answer
    x = 53,319.52

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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.