Home / 73,118.08-109,660.64-33,637.20

Finding the Fourth Proportional to 73,118.08, 109,660.64 and 33,637.20

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Solution

The fourth proportional to 73,118.08, 109,660.64 and 33,637.20 is: 50,448.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.08 : 109,660.64 = 33,637.20 : x
  2. Step 2: Convert to fraction form
    73,118.08/109,660.64 = 33,637.20/x
  3. Step 3: Cross multiply
    73,118.08x = 109,660.64 × 33,637.20
  4. Step 4: Simplify right side
    73,118.08x = 3,688,676,879.81
  5. Step 5: Solve for x
    x = 3,688,676,879.81/73,118.08
  6. Step 6: Final answer
    x = 50,448.22

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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.