Home / 90,634.18-125,073.48-50,347.54

Finding the Fourth Proportional to 90,634.18, 125,073.48 and 50,347.54

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Solution

The fourth proportional to 90,634.18, 125,073.48 and 50,347.54 is: 69,478.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,634.18 : 125,073.48 = 50,347.54 : x
  2. Step 2: Convert to fraction form
    90,634.18/125,073.48 = 50,347.54/x
  3. Step 3: Cross multiply
    90,634.18x = 125,073.48 × 50,347.54
  4. Step 4: Simplify right side
    90,634.18x = 6,297,142,037.24
  5. Step 5: Solve for x
    x = 6,297,142,037.24/90,634.18
  6. Step 6: Final answer
    x = 69,478.67

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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.