Home / 50,319.06-75,371.12-38,339.70

Finding the Fourth Proportional to 50,319.06, 75,371.12 and 38,339.70

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Solution

The fourth proportional to 50,319.06, 75,371.12 and 38,339.70 is: 57,427.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,319.06 : 75,371.12 = 38,339.70 : x
  2. Step 2: Convert to fraction form
    50,319.06/75,371.12 = 38,339.70/x
  3. Step 3: Cross multiply
    50,319.06x = 75,371.12 × 38,339.70
  4. Step 4: Simplify right side
    50,319.06x = 2,889,706,129.46
  5. Step 5: Solve for x
    x = 2,889,706,129.46/50,319.06
  6. Step 6: Final answer
    x = 57,427.67

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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.