Home / 75,368.74-104,017.12-43,106.34

Finding the Fourth Proportional to 75,368.74, 104,017.12 and 43,106.34

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Solution

The fourth proportional to 75,368.74, 104,017.12 and 43,106.34 is: 59,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,368.74 : 104,017.12 = 43,106.34 : x
  2. Step 2: Convert to fraction form
    75,368.74/104,017.12 = 43,106.34/x
  3. Step 3: Cross multiply
    75,368.74x = 104,017.12 × 43,106.34
  4. Step 4: Simplify right side
    75,368.74x = 4,483,797,340.54
  5. Step 5: Solve for x
    x = 4,483,797,340.54/75,368.74
  6. Step 6: Final answer
    x = 59,491.47

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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.