Home / 74,826.72-103,278.55-43,014.08

Finding the Fourth Proportional to 74,826.72, 103,278.55 and 43,014.08

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Solution

The fourth proportional to 74,826.72, 103,278.55 and 43,014.08 is: 59,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.72 : 103,278.55 = 43,014.08 : x
  2. Step 2: Convert to fraction form
    74,826.72/103,278.55 = 43,014.08/x
  3. Step 3: Cross multiply
    74,826.72x = 103,278.55 × 43,014.08
  4. Step 4: Simplify right side
    74,826.72x = 4,442,431,295.59
  5. Step 5: Solve for x
    x = 4,442,431,295.59/74,826.72
  6. Step 6: Final answer
    x = 59,369.58

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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.