Home / 54,916.20-75,784.32-29,765.72

Finding the Fourth Proportional to 54,916.20, 75,784.32 and 29,765.72

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Solution

The fourth proportional to 54,916.20, 75,784.32 and 29,765.72 is: 41,076.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,916.20 : 75,784.32 = 29,765.72 : x
  2. Step 2: Convert to fraction form
    54,916.20/75,784.32 = 29,765.72/x
  3. Step 3: Cross multiply
    54,916.20x = 75,784.32 × 29,765.72
  4. Step 4: Simplify right side
    54,916.20x = 2,255,774,849.51
  5. Step 5: Solve for x
    x = 2,255,774,849.51/54,916.20
  6. Step 6: Final answer
    x = 41,076.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.