Home / 80,433.95-111,010.32-46,435.64

Finding the Fourth Proportional to 80,433.95, 111,010.32 and 46,435.64

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Solution

The fourth proportional to 80,433.95, 111,010.32 and 46,435.64 is: 64,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,433.95 : 111,010.32 = 46,435.64 : x
  2. Step 2: Convert to fraction form
    80,433.95/111,010.32 = 46,435.64/x
  3. Step 3: Cross multiply
    80,433.95x = 111,010.32 × 46,435.64
  4. Step 4: Simplify right side
    80,433.95x = 5,154,835,255.80
  5. Step 5: Solve for x
    x = 5,154,835,255.80/80,433.95
  6. Step 6: Final answer
    x = 64,087.80

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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.