Home / 83,421.54-125,148.06-33,505.56

Finding the Fourth Proportional to 83,421.54, 125,148.06 and 33,505.56

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Solution

The fourth proportional to 83,421.54, 125,148.06 and 33,505.56 is: 50,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,421.54 : 125,148.06 = 33,505.56 : x
  2. Step 2: Convert to fraction form
    83,421.54/125,148.06 = 33,505.56/x
  3. Step 3: Cross multiply
    83,421.54x = 125,148.06 × 33,505.56
  4. Step 4: Simplify right side
    83,421.54x = 4,193,155,833.21
  5. Step 5: Solve for x
    x = 4,193,155,833.21/83,421.54
  6. Step 6: Final answer
    x = 50,264.67

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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.