Home / 76,017.50-113,977.95-66,676.27

Finding the Fourth Proportional to 76,017.50, 113,977.95 and 66,676.27

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Solution

The fourth proportional to 76,017.50, 113,977.95 and 66,676.27 is: 99,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,017.50 : 113,977.95 = 66,676.27 : x
  2. Step 2: Convert to fraction form
    76,017.50/113,977.95 = 66,676.27/x
  3. Step 3: Cross multiply
    76,017.50x = 113,977.95 × 66,676.27
  4. Step 4: Simplify right side
    76,017.50x = 7,599,624,568.25
  5. Step 5: Solve for x
    x = 7,599,624,568.25/76,017.50
  6. Step 6: Final answer
    x = 99,972.04

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1.5x scale

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.