Home / 74,954.60-112,464.30-38,018.60

Finding the Fourth Proportional to 74,954.60, 112,464.30 and 38,018.60

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Solution

The fourth proportional to 74,954.60, 112,464.30 and 38,018.60 is: 57,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,954.60 : 112,464.30 = 38,018.60 : x
  2. Step 2: Convert to fraction form
    74,954.60/112,464.30 = 38,018.60/x
  3. Step 3: Cross multiply
    74,954.60x = 112,464.30 × 38,018.60
  4. Step 4: Simplify right side
    74,954.60x = 4,275,735,235.98
  5. Step 5: Solve for x
    x = 4,275,735,235.98/74,954.60
  6. Step 6: Final answer
    x = 57,044.33

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1.5x scale

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.