Home / 53,053.56-79,578.44-13,611.06

Finding the Fourth Proportional to 53,053.56, 79,578.44 and 13,611.06

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Solution

The fourth proportional to 53,053.56, 79,578.44 and 13,611.06 is: 20,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.56 : 79,578.44 = 13,611.06 : x
  2. Step 2: Convert to fraction form
    53,053.56/79,578.44 = 13,611.06/x
  3. Step 3: Cross multiply
    53,053.56x = 79,578.44 × 13,611.06
  4. Step 4: Simplify right side
    53,053.56x = 1,083,146,853.49
  5. Step 5: Solve for x
    x = 1,083,146,853.49/53,053.56
  6. Step 6: Final answer
    x = 20,416.10

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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.