Home / 53,429.20-73,725.87-30,775.56

Finding the Fourth Proportional to 53,429.20, 73,725.87 and 30,775.56

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Solution

The fourth proportional to 53,429.20, 73,725.87 and 30,775.56 is: 42,466.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,429.20 : 73,725.87 = 30,775.56 : x
  2. Step 2: Convert to fraction form
    53,429.20/73,725.87 = 30,775.56/x
  3. Step 3: Cross multiply
    53,429.20x = 73,725.87 × 30,775.56
  4. Step 4: Simplify right side
    53,429.20x = 2,268,954,935.74
  5. Step 5: Solve for x
    x = 2,268,954,935.74/53,429.20
  6. Step 6: Final answer
    x = 42,466.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.