Home / 45,185.18-67,712.84-25,421.99

Finding the Fourth Proportional to 45,185.18, 67,712.84 and 25,421.99

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Solution

The fourth proportional to 45,185.18, 67,712.84 and 25,421.99 is: 38,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,185.18 : 67,712.84 = 25,421.99 : x
  2. Step 2: Convert to fraction form
    45,185.18/67,712.84 = 25,421.99/x
  3. Step 3: Cross multiply
    45,185.18x = 67,712.84 × 25,421.99
  4. Step 4: Simplify right side
    45,185.18x = 1,721,394,802.64
  5. Step 5: Solve for x
    x = 1,721,394,802.64/45,185.18
  6. Step 6: Final answer
    x = 38,096.45

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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.