Home / 54,934.70-75,811.37-31,064.94

Finding the Fourth Proportional to 54,934.70, 75,811.37 and 31,064.94

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Solution

The fourth proportional to 54,934.70, 75,811.37 and 31,064.94 is: 42,870.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.70 : 75,811.37 = 31,064.94 : x
  2. Step 2: Convert to fraction form
    54,934.70/75,811.37 = 31,064.94/x
  3. Step 3: Cross multiply
    54,934.70x = 75,811.37 × 31,064.94
  4. Step 4: Simplify right side
    54,934.70x = 2,355,075,660.37
  5. Step 5: Solve for x
    x = 2,355,075,660.37/54,934.70
  6. Step 6: Final answer
    x = 42,870.46

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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.