Home / 90,548.28-124,943.31-50,262.36

Finding the Fourth Proportional to 90,548.28, 124,943.31 and 50,262.36

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Solution

The fourth proportional to 90,548.28, 124,943.31 and 50,262.36 is: 69,354.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,548.28 : 124,943.31 = 50,262.36 : x
  2. Step 2: Convert to fraction form
    90,548.28/124,943.31 = 50,262.36/x
  3. Step 3: Cross multiply
    90,548.28x = 124,943.31 × 50,262.36
  4. Step 4: Simplify right side
    90,548.28x = 6,279,945,626.81
  5. Step 5: Solve for x
    x = 6,279,945,626.81/90,548.28
  6. Step 6: Final answer
    x = 69,354.67

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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.