Home / 75,446.64-104,116.32-43,623.36

Finding the Fourth Proportional to 75,446.64, 104,116.32 and 43,623.36

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Solution

The fourth proportional to 75,446.64, 104,116.32 and 43,623.36 is: 60,200.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,446.64 : 104,116.32 = 43,623.36 : x
  2. Step 2: Convert to fraction form
    75,446.64/104,116.32 = 43,623.36/x
  3. Step 3: Cross multiply
    75,446.64x = 104,116.32 × 43,623.36
  4. Step 4: Simplify right side
    75,446.64x = 4,541,903,709.24
  5. Step 5: Solve for x
    x = 4,541,903,709.24/75,446.64
  6. Step 6: Final answer
    x = 60,200.21

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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.