Home / 75,421.42-104,116.94-43,584.10

Finding the Fourth Proportional to 75,421.42, 104,116.94 and 43,584.10

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Solution

The fourth proportional to 75,421.42, 104,116.94 and 43,584.10 is: 60,166.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,421.42 : 104,116.94 = 43,584.10 : x
  2. Step 2: Convert to fraction form
    75,421.42/104,116.94 = 43,584.10/x
  3. Step 3: Cross multiply
    75,421.42x = 104,116.94 × 43,584.10
  4. Step 4: Simplify right side
    75,421.42x = 4,537,843,124.65
  5. Step 5: Solve for x
    x = 4,537,843,124.65/75,421.42
  6. Step 6: Final answer
    x = 60,166.50

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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.