Home / 51,611.20-77,416.80-41,243.20

Finding the Fourth Proportional to 51,611.20, 77,416.80 and 41,243.20

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Solution

The fourth proportional to 51,611.20, 77,416.80 and 41,243.20 is: 61,864.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,611.20 : 77,416.80 = 41,243.20 : x
  2. Step 2: Convert to fraction form
    51,611.20/77,416.80 = 41,243.20/x
  3. Step 3: Cross multiply
    51,611.20x = 77,416.80 × 41,243.20
  4. Step 4: Simplify right side
    51,611.20x = 3,192,916,565.76
  5. Step 5: Solve for x
    x = 3,192,916,565.76/51,611.20
  6. Step 6: Final answer
    x = 61,864.80

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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.