Home / 56,414.16-84,621.24-28,731.60

Finding the Fourth Proportional to 56,414.16, 84,621.24 and 28,731.60

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Solution

The fourth proportional to 56,414.16, 84,621.24 and 28,731.60 is: 43,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,414.16 : 84,621.24 = 28,731.60 : x
  2. Step 2: Convert to fraction form
    56,414.16/84,621.24 = 28,731.60/x
  3. Step 3: Cross multiply
    56,414.16x = 84,621.24 × 28,731.60
  4. Step 4: Simplify right side
    56,414.16x = 2,431,303,619.18
  5. Step 5: Solve for x
    x = 2,431,303,619.18/56,414.16
  6. Step 6: Final answer
    x = 43,097.40

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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.