Home / 55,185.40-82,778.10-49,061.80

Finding the Fourth Proportional to 55,185.40, 82,778.10 and 49,061.80

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Solution

The fourth proportional to 55,185.40, 82,778.10 and 49,061.80 is: 73,592.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,185.40 : 82,778.10 = 49,061.80 : x
  2. Step 2: Convert to fraction form
    55,185.40/82,778.10 = 49,061.80/x
  3. Step 3: Cross multiply
    55,185.40x = 82,778.10 × 49,061.80
  4. Step 4: Simplify right side
    55,185.40x = 4,061,242,586.58
  5. Step 5: Solve for x
    x = 4,061,242,586.58/55,185.40
  6. Step 6: Final answer
    x = 73,592.70

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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.