Home / 74,581.60-111,933.60-73,998.40

Finding the Fourth Proportional to 74,581.60, 111,933.60 and 73,998.40

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Solution

The fourth proportional to 74,581.60, 111,933.60 and 73,998.40 is: 111,058.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.60 : 111,933.60 = 73,998.40 : x
  2. Step 2: Convert to fraction form
    74,581.60/111,933.60 = 73,998.40/x
  3. Step 3: Cross multiply
    74,581.60x = 111,933.60 × 73,998.40
  4. Step 4: Simplify right side
    74,581.60x = 8,282,907,306.24
  5. Step 5: Solve for x
    x = 8,282,907,306.24/74,581.60
  6. Step 6: Final answer
    x = 111,058.32

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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.