Home / 80,893.32-121,394.67-28,303.26

Finding the Fourth Proportional to 80,893.32, 121,394.67 and 28,303.26

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Solution

The fourth proportional to 80,893.32, 121,394.67 and 28,303.26 is: 42,474.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,893.32 : 121,394.67 = 28,303.26 : x
  2. Step 2: Convert to fraction form
    80,893.32/121,394.67 = 28,303.26/x
  3. Step 3: Cross multiply
    80,893.32x = 121,394.67 × 28,303.26
  4. Step 4: Simplify right side
    80,893.32x = 3,435,864,907.62
  5. Step 5: Solve for x
    x = 3,435,864,907.62/80,893.32
  6. Step 6: Final answer
    x = 42,474.03

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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.