Home / 54,235.99-81,411.50-48,036.25

Finding the Fourth Proportional to 54,235.99, 81,411.50 and 48,036.25

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Solution

The fourth proportional to 54,235.99, 81,411.50 and 48,036.25 is: 72,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,235.99 : 81,411.50 = 48,036.25 : x
  2. Step 2: Convert to fraction form
    54,235.99/81,411.50 = 48,036.25/x
  3. Step 3: Cross multiply
    54,235.99x = 81,411.50 × 48,036.25
  4. Step 4: Simplify right side
    54,235.99x = 3,910,703,166.88
  5. Step 5: Solve for x
    x = 3,910,703,166.88/54,235.99
  6. Step 6: Final answer
    x = 72,105.32

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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.