Home / 75,681.58-104,440.61-43,868.94

Finding the Fourth Proportional to 75,681.58, 104,440.61 and 43,868.94

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Solution

The fourth proportional to 75,681.58, 104,440.61 and 43,868.94 is: 60,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,681.58 : 104,440.61 = 43,868.94 : x
  2. Step 2: Convert to fraction form
    75,681.58/104,440.61 = 43,868.94/x
  3. Step 3: Cross multiply
    75,681.58x = 104,440.61 × 43,868.94
  4. Step 4: Simplify right side
    75,681.58x = 4,581,698,853.65
  5. Step 5: Solve for x
    x = 4,581,698,853.65/75,681.58
  6. Step 6: Final answer
    x = 60,539.15

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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.