Home / 53,453.04-80,155.86-28,488.44

Finding the Fourth Proportional to 53,453.04, 80,155.86 and 28,488.44

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Solution

The fourth proportional to 53,453.04, 80,155.86 and 28,488.44 is: 42,720.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,453.04 : 80,155.86 = 28,488.44 : x
  2. Step 2: Convert to fraction form
    53,453.04/80,155.86 = 28,488.44/x
  3. Step 3: Cross multiply
    53,453.04x = 80,155.86 × 28,488.44
  4. Step 4: Simplify right side
    53,453.04x = 2,283,515,408.26
  5. Step 5: Solve for x
    x = 2,283,515,408.26/53,453.04
  6. Step 6: Final answer
    x = 42,720.03

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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.