Home / 56,175.60-84,235.16-18,722.54

Finding the Fourth Proportional to 56,175.60, 84,235.16 and 18,722.54

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Solution

The fourth proportional to 56,175.60, 84,235.16 and 18,722.54 is: 28,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,175.60 : 84,235.16 = 18,722.54 : x
  2. Step 2: Convert to fraction form
    56,175.60/84,235.16 = 18,722.54/x
  3. Step 3: Cross multiply
    56,175.60x = 84,235.16 × 18,722.54
  4. Step 4: Simplify right side
    56,175.60x = 1,577,096,152.51
  5. Step 5: Solve for x
    x = 1,577,096,152.51/56,175.60
  6. Step 6: Final answer
    x = 28,074.40

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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.