Home / 75,303.14-112,935.75-30,942.14

Finding the Fourth Proportional to 75,303.14, 112,935.75 and 30,942.14

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Solution

The fourth proportional to 75,303.14, 112,935.75 and 30,942.14 is: 46,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.14 : 112,935.75 = 30,942.14 : x
  2. Step 2: Convert to fraction form
    75,303.14/112,935.75 = 30,942.14/x
  3. Step 3: Cross multiply
    75,303.14x = 112,935.75 × 30,942.14
  4. Step 4: Simplify right side
    75,303.14x = 3,494,473,787.51
  5. Step 5: Solve for x
    x = 3,494,473,787.51/75,303.14
  6. Step 6: Final answer
    x = 46,405.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.