Home / 53,205.14-79,572.39-47,323.32

Finding the Fourth Proportional to 53,205.14, 79,572.39 and 47,323.32

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Solution

The fourth proportional to 53,205.14, 79,572.39 and 47,323.32 is: 70,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,205.14 : 79,572.39 = 47,323.32 : x
  2. Step 2: Convert to fraction form
    53,205.14/79,572.39 = 47,323.32/x
  3. Step 3: Cross multiply
    53,205.14x = 79,572.39 × 47,323.32
  4. Step 4: Simplify right side
    53,205.14x = 3,765,629,675.13
  5. Step 5: Solve for x
    x = 3,765,629,675.13/53,205.14
  6. Step 6: Final answer
    x = 70,775.68

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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.