Home / 56,775.22-85,162.40-14,651.72

Finding the Fourth Proportional to 56,775.22, 85,162.40 and 14,651.72

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Solution

The fourth proportional to 56,775.22, 85,162.40 and 14,651.72 is: 21,977.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,775.22 : 85,162.40 = 14,651.72 : x
  2. Step 2: Convert to fraction form
    56,775.22/85,162.40 = 14,651.72/x
  3. Step 3: Cross multiply
    56,775.22x = 85,162.40 × 14,651.72
  4. Step 4: Simplify right side
    56,775.22x = 1,247,775,639.33
  5. Step 5: Solve for x
    x = 1,247,775,639.33/56,775.22
  6. Step 6: Final answer
    x = 21,977.47

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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.