Home / 54,851.20-82,257.60-28,547.20

Finding the Fourth Proportional to 54,851.20, 82,257.60 and 28,547.20

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Solution

The fourth proportional to 54,851.20, 82,257.60 and 28,547.20 is: 42,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,851.20 : 82,257.60 = 28,547.20 : x
  2. Step 2: Convert to fraction form
    54,851.20/82,257.60 = 28,547.20/x
  3. Step 3: Cross multiply
    54,851.20x = 82,257.60 × 28,547.20
  4. Step 4: Simplify right side
    54,851.20x = 2,348,224,158.72
  5. Step 5: Solve for x
    x = 2,348,224,158.72/54,851.20
  6. Step 6: Final answer
    x = 42,810.81

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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.