Home / 95,638.22-132,075.42-78,809.24

Finding the Fourth Proportional to 95,638.22, 132,075.42 and 78,809.24

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Solution

The fourth proportional to 95,638.22, 132,075.42 and 78,809.24 is: 108,834.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.22 : 132,075.42 = 78,809.24 : x
  2. Step 2: Convert to fraction form
    95,638.22/132,075.42 = 78,809.24/x
  3. Step 3: Cross multiply
    95,638.22x = 132,075.42 × 78,809.24
  4. Step 4: Simplify right side
    95,638.22x = 10,408,763,472.88
  5. Step 5: Solve for x
    x = 10,408,763,472.88/95,638.22
  6. Step 6: Final answer
    x = 108,834.77

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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.