Home / 74,032.73-102,165.19-41,774.20

Finding the Fourth Proportional to 74,032.73, 102,165.19 and 41,774.20

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Solution

The fourth proportional to 74,032.73, 102,165.19 and 41,774.20 is: 57,648.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.73 : 102,165.19 = 41,774.20 : x
  2. Step 2: Convert to fraction form
    74,032.73/102,165.19 = 41,774.20/x
  3. Step 3: Cross multiply
    74,032.73x = 102,165.19 × 41,774.20
  4. Step 4: Simplify right side
    74,032.73x = 4,267,868,720.25
  5. Step 5: Solve for x
    x = 4,267,868,720.25/74,032.73
  6. Step 6: Final answer
    x = 57,648.40

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1.5x scale

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.