Home / 103,685.11-155,406.27-39,601.27

Finding the Fourth Proportional to 103,685.11, 155,406.27 and 39,601.27

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Solution

The fourth proportional to 103,685.11, 155,406.27 and 39,601.27 is: 59,355.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,685.11 : 155,406.27 = 39,601.27 : x
  2. Step 2: Convert to fraction form
    103,685.11/155,406.27 = 39,601.27/x
  3. Step 3: Cross multiply
    103,685.11x = 155,406.27 × 39,601.27
  4. Step 4: Simplify right side
    103,685.11x = 6,154,285,657.96
  5. Step 5: Solve for x
    x = 6,154,285,657.96/103,685.11
  6. Step 6: Final answer
    x = 59,355.54

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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.