Home / 80,436.95-111,014.46-46,438.64

Finding the Fourth Proportional to 80,436.95, 111,014.46 and 46,438.64

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Solution

The fourth proportional to 80,436.95, 111,014.46 and 46,438.64 is: 64,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,436.95 : 111,014.46 = 46,438.64 : x
  2. Step 2: Convert to fraction form
    80,436.95/111,014.46 = 46,438.64/x
  3. Step 3: Cross multiply
    80,436.95x = 111,014.46 × 46,438.64
  4. Step 4: Simplify right side
    80,436.95x = 5,155,360,542.73
  5. Step 5: Solve for x
    x = 5,155,360,542.73/80,436.95
  6. Step 6: Final answer
    x = 64,091.94

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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.