Home / 90,447.63-124,825.40-50,174.37

Finding the Fourth Proportional to 90,447.63, 124,825.40 and 50,174.37

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Solution

The fourth proportional to 90,447.63, 124,825.40 and 50,174.37 is: 69,244.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,447.63 : 124,825.40 = 50,174.37 : x
  2. Step 2: Convert to fraction form
    90,447.63/124,825.40 = 50,174.37/x
  3. Step 3: Cross multiply
    90,447.63x = 124,825.40 × 50,174.37
  4. Step 4: Simplify right side
    90,447.63x = 6,263,035,742.28
  5. Step 5: Solve for x
    x = 6,263,035,742.28/90,447.63
  6. Step 6: Final answer
    x = 69,244.88

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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.