Home / 74,155.64-111,238.65-29,782.42

Finding the Fourth Proportional to 74,155.64, 111,238.65 and 29,782.42

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Solution

The fourth proportional to 74,155.64, 111,238.65 and 29,782.42 is: 44,675.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,155.64 : 111,238.65 = 29,782.42 : x
  2. Step 2: Convert to fraction form
    74,155.64/111,238.65 = 29,782.42/x
  3. Step 3: Cross multiply
    74,155.64x = 111,238.65 × 29,782.42
  4. Step 4: Simplify right side
    74,155.64x = 3,312,955,916.44
  5. Step 5: Solve for x
    x = 3,312,955,916.44/74,155.64
  6. Step 6: Final answer
    x = 44,675.71

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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.