Home / 105,195.96-145,151.24-59,871.30

Finding the Fourth Proportional to 105,195.96, 145,151.24 and 59,871.30

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Solution

The fourth proportional to 105,195.96, 145,151.24 and 59,871.30 is: 82,611.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,195.96 : 145,151.24 = 59,871.30 : x
  2. Step 2: Convert to fraction form
    105,195.96/145,151.24 = 59,871.30/x
  3. Step 3: Cross multiply
    105,195.96x = 145,151.24 × 59,871.30
  4. Step 4: Simplify right side
    105,195.96x = 8,690,393,435.41
  5. Step 5: Solve for x
    x = 8,690,393,435.41/105,195.96
  6. Step 6: Final answer
    x = 82,611.48

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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.