Home / 105,149.25-145,093.19-59,832.99

Finding the Fourth Proportional to 105,149.25, 145,093.19 and 59,832.99

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Solution

The fourth proportional to 105,149.25, 145,093.19 and 59,832.99 is: 82,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,149.25 : 145,093.19 = 59,832.99 : x
  2. Step 2: Convert to fraction form
    105,149.25/145,093.19 = 59,832.99/x
  3. Step 3: Cross multiply
    105,149.25x = 145,093.19 × 59,832.99
  4. Step 4: Simplify right side
    105,149.25x = 8,681,358,660.87
  5. Step 5: Solve for x
    x = 8,681,358,660.87/105,149.25
  6. Step 6: Final answer
    x = 82,562.25

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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.