Home / 49,995.63-74,955.78-30,269.43

Finding the Fourth Proportional to 49,995.63, 74,955.78 and 30,269.43

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Solution

The fourth proportional to 49,995.63, 74,955.78 and 30,269.43 is: 45,381.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,995.63 : 74,955.78 = 30,269.43 : x
  2. Step 2: Convert to fraction form
    49,995.63/74,955.78 = 30,269.43/x
  3. Step 3: Cross multiply
    49,995.63x = 74,955.78 × 30,269.43
  4. Step 4: Simplify right side
    49,995.63x = 2,268,868,735.81
  5. Step 5: Solve for x
    x = 2,268,868,735.81/49,995.63
  6. Step 6: Final answer
    x = 45,381.34

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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.