Home / 83,669.21-125,190.12-49,811.39

Finding the Fourth Proportional to 83,669.21, 125,190.12 and 49,811.39

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Solution

The fourth proportional to 83,669.21, 125,190.12 and 49,811.39 is: 74,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,669.21 : 125,190.12 = 49,811.39 : x
  2. Step 2: Convert to fraction form
    83,669.21/125,190.12 = 49,811.39/x
  3. Step 3: Cross multiply
    83,669.21x = 125,190.12 × 49,811.39
  4. Step 4: Simplify right side
    83,669.21x = 6,235,893,265.52
  5. Step 5: Solve for x
    x = 6,235,893,265.52/83,669.21
  6. Step 6: Final answer
    x = 74,530.32

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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.