Home / 54,235.68-81,509.04-26,553.12

Finding the Fourth Proportional to 54,235.68, 81,509.04 and 26,553.12

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Solution

The fourth proportional to 54,235.68, 81,509.04 and 26,553.12 is: 39,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.68 : 81,509.04 = 26,553.12 : x
  2. Step 2: Convert to fraction form
    54,235.68/81,509.04 = 26,553.12/x
  3. Step 3: Cross multiply
    54,235.68x = 81,509.04 × 26,553.12
  4. Step 4: Simplify right side
    54,235.68x = 2,164,319,320.20
  5. Step 5: Solve for x
    x = 2,164,319,320.20/54,235.68
  6. Step 6: Final answer
    x = 39,905.82

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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.