Home / 45,420.84-68,100.66-23,216.04

Finding the Fourth Proportional to 45,420.84, 68,100.66 and 23,216.04

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Solution

The fourth proportional to 45,420.84, 68,100.66 and 23,216.04 is: 34,808.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420.84 : 68,100.66 = 23,216.04 : x
  2. Step 2: Convert to fraction form
    45,420.84/68,100.66 = 23,216.04/x
  3. Step 3: Cross multiply
    45,420.84x = 68,100.66 × 23,216.04
  4. Step 4: Simplify right side
    45,420.84x = 1,581,027,646.59
  5. Step 5: Solve for x
    x = 1,581,027,646.59/45,420.84
  6. Step 6: Final answer
    x = 34,808.42

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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.