Home / 74,730.96-112,096.56-51,286.32

Finding the Fourth Proportional to 74,730.96, 112,096.56 and 51,286.32

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Solution

The fourth proportional to 74,730.96, 112,096.56 and 51,286.32 is: 76,929.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,730.96 : 112,096.56 = 51,286.32 : x
  2. Step 2: Convert to fraction form
    74,730.96/112,096.56 = 51,286.32/x
  3. Step 3: Cross multiply
    74,730.96x = 112,096.56 × 51,286.32
  4. Step 4: Simplify right side
    74,730.96x = 5,749,020,047.06
  5. Step 5: Solve for x
    x = 5,749,020,047.06/74,730.96
  6. Step 6: Final answer
    x = 76,929.56

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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.