Home / 74,854.08-103,298.72-41,320.08

Finding the Fourth Proportional to 74,854.08, 103,298.72 and 41,320.08

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Solution

The fourth proportional to 74,854.08, 103,298.72 and 41,320.08 is: 57,021.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,854.08 : 103,298.72 = 41,320.08 : x
  2. Step 2: Convert to fraction form
    74,854.08/103,298.72 = 41,320.08/x
  3. Step 3: Cross multiply
    74,854.08x = 103,298.72 × 41,320.08
  4. Step 4: Simplify right side
    74,854.08x = 4,268,311,374.30
  5. Step 5: Solve for x
    x = 4,268,311,374.30/74,854.08
  6. Step 6: Final answer
    x = 57,021.76

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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.