Home / 54,943.04-75,825.18-31,069.80

Finding the Fourth Proportional to 54,943.04, 75,825.18 and 31,069.80

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Solution

The fourth proportional to 54,943.04, 75,825.18 and 31,069.80 is: 42,878.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,943.04 : 75,825.18 = 31,069.80 : x
  2. Step 2: Convert to fraction form
    54,943.04/75,825.18 = 31,069.80/x
  3. Step 3: Cross multiply
    54,943.04x = 75,825.18 × 31,069.80
  4. Step 4: Simplify right side
    54,943.04x = 2,355,873,177.56
  5. Step 5: Solve for x
    x = 2,355,873,177.56/54,943.04
  6. Step 6: Final answer
    x = 42,878.46

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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.