Home / 69,622.84-96,084.27-39,408.06

Finding the Fourth Proportional to 69,622.84, 96,084.27 and 39,408.06

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Solution

The fourth proportional to 69,622.84, 96,084.27 and 39,408.06 is: 54,385.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,622.84 : 96,084.27 = 39,408.06 : x
  2. Step 2: Convert to fraction form
    69,622.84/96,084.27 = 39,408.06/x
  3. Step 3: Cross multiply
    69,622.84x = 96,084.27 × 39,408.06
  4. Step 4: Simplify right side
    69,622.84x = 3,786,494,677.22
  5. Step 5: Solve for x
    x = 3,786,494,677.22/69,622.84
  6. Step 6: Final answer
    x = 54,385.81

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1.5x scale

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.