Home / 54,934.57-75,811.20-31,064.81

Finding the Fourth Proportional to 54,934.57, 75,811.20 and 31,064.81

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Solution

The fourth proportional to 54,934.57, 75,811.20 and 31,064.81 is: 42,870.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,934.57 : 75,811.20 = 31,064.81 : x
  2. Step 2: Convert to fraction form
    54,934.57/75,811.20 = 31,064.81/x
  3. Step 3: Cross multiply
    54,934.57x = 75,811.20 × 31,064.81
  4. Step 4: Simplify right side
    54,934.57x = 2,355,060,713.40
  5. Step 5: Solve for x
    x = 2,355,060,713.40/54,934.57
  6. Step 6: Final answer
    x = 42,870.29

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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.