Home / 80,780.95-111,477.65-46,791.32

Finding the Fourth Proportional to 80,780.95, 111,477.65 and 46,791.32

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Solution

The fourth proportional to 80,780.95, 111,477.65 and 46,791.32 is: 64,571.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,780.95 : 111,477.65 = 46,791.32 : x
  2. Step 2: Convert to fraction form
    80,780.95/111,477.65 = 46,791.32/x
  3. Step 3: Cross multiply
    80,780.95x = 111,477.65 × 46,791.32
  4. Step 4: Simplify right side
    80,780.95x = 5,216,186,690.32
  5. Step 5: Solve for x
    x = 5,216,186,690.32/80,780.95
  6. Step 6: Final answer
    x = 64,571.99

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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.