Home / 80,427.63-111,003.41-44,629.18

Finding the Fourth Proportional to 80,427.63, 111,003.41 and 44,629.18

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Solution

The fourth proportional to 80,427.63, 111,003.41 and 44,629.18 is: 61,595.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,427.63 : 111,003.41 = 44,629.18 : x
  2. Step 2: Convert to fraction form
    80,427.63/111,003.41 = 44,629.18/x
  3. Step 3: Cross multiply
    80,427.63x = 111,003.41 × 44,629.18
  4. Step 4: Simplify right side
    80,427.63x = 4,953,990,999.57
  5. Step 5: Solve for x
    x = 4,953,990,999.57/80,427.63
  6. Step 6: Final answer
    x = 61,595.63

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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.