Home / 53,452.67-80,155.31-28,488.06

Finding the Fourth Proportional to 53,452.67, 80,155.31 and 28,488.06

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Solution

The fourth proportional to 53,452.67, 80,155.31 and 28,488.06 is: 42,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,452.67 : 80,155.31 = 28,488.06 : x
  2. Step 2: Convert to fraction form
    53,452.67/80,155.31 = 28,488.06/x
  3. Step 3: Cross multiply
    53,452.67x = 80,155.31 × 28,488.06
  4. Step 4: Simplify right side
    53,452.67x = 2,283,469,138.16
  5. Step 5: Solve for x
    x = 2,283,469,138.16/53,452.67
  6. Step 6: Final answer
    x = 42,719.46

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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.