Home / 83,555.21-125,303.62-33,622.34

Finding the Fourth Proportional to 83,555.21, 125,303.62 and 33,622.34

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Solution

The fourth proportional to 83,555.21, 125,303.62 and 33,622.34 is: 50,421.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,555.21 : 125,303.62 = 33,622.34 : x
  2. Step 2: Convert to fraction form
    83,555.21/125,303.62 = 33,622.34/x
  3. Step 3: Cross multiply
    83,555.21x = 125,303.62 × 33,622.34
  4. Step 4: Simplify right side
    83,555.21x = 4,213,000,914.87
  5. Step 5: Solve for x
    x = 4,213,000,914.87/83,555.21
  6. Step 6: Final answer
    x = 50,421.76

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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.