Home / 126,021.50-173,910.48-69,433.28

Finding the Fourth Proportional to 126,021.50, 173,910.48 and 69,433.28

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Solution

The fourth proportional to 126,021.50, 173,910.48 and 69,433.28 is: 95,818.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.50 : 173,910.48 = 69,433.28 : x
  2. Step 2: Convert to fraction form
    126,021.50/173,910.48 = 69,433.28/x
  3. Step 3: Cross multiply
    126,021.50x = 173,910.48 × 69,433.28
  4. Step 4: Simplify right side
    126,021.50x = 12,075,175,052.77
  5. Step 5: Solve for x
    x = 12,075,175,052.77/126,021.50
  6. Step 6: Final answer
    x = 95,818.37

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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.