Home / 90,313.19-124,632.20-50,029.56

Finding the Fourth Proportional to 90,313.19, 124,632.20 and 50,029.56

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Solution

The fourth proportional to 90,313.19, 124,632.20 and 50,029.56 is: 69,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,313.19 : 124,632.20 = 50,029.56 : x
  2. Step 2: Convert to fraction form
    90,313.19/124,632.20 = 50,029.56/x
  3. Step 3: Cross multiply
    90,313.19x = 124,632.20 × 50,029.56
  4. Step 4: Simplify right side
    90,313.19x = 6,235,293,877.68
  5. Step 5: Solve for x
    x = 6,235,293,877.68/90,313.19
  6. Step 6: Final answer
    x = 69,040.79

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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.