Home / 76,067.04-104,976.20-42,075.38

Finding the Fourth Proportional to 76,067.04, 104,976.20 and 42,075.38

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Solution

The fourth proportional to 76,067.04, 104,976.20 and 42,075.38 is: 58,066.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,067.04 : 104,976.20 = 42,075.38 : x
  2. Step 2: Convert to fraction form
    76,067.04/104,976.20 = 42,075.38/x
  3. Step 3: Cross multiply
    76,067.04x = 104,976.20 × 42,075.38
  4. Step 4: Simplify right side
    76,067.04x = 4,416,913,505.96
  5. Step 5: Solve for x
    x = 4,416,913,505.96/76,067.04
  6. Step 6: Final answer
    x = 58,066.06

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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.