Home / 53,380.13-73,665.81-34,550.06

Finding the Fourth Proportional to 53,380.13, 73,665.81 and 34,550.06

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Solution

The fourth proportional to 53,380.13, 73,665.81 and 34,550.06 is: 47,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.13 : 73,665.81 = 34,550.06 : x
  2. Step 2: Convert to fraction form
    53,380.13/73,665.81 = 34,550.06/x
  3. Step 3: Cross multiply
    53,380.13x = 73,665.81 × 34,550.06
  4. Step 4: Simplify right side
    53,380.13x = 2,545,157,787.12
  5. Step 5: Solve for x
    x = 2,545,157,787.12/53,380.13
  6. Step 6: Final answer
    x = 47,679.88

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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.