Home / 126,023.62-173,912.62-69,434.50

Finding the Fourth Proportional to 126,023.62, 173,912.62 and 69,434.50

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Solution

The fourth proportional to 126,023.62, 173,912.62 and 69,434.50 is: 95,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,023.62 : 173,912.62 = 69,434.50 : x
  2. Step 2: Convert to fraction form
    126,023.62/173,912.62 = 69,434.50/x
  3. Step 3: Cross multiply
    126,023.62x = 173,912.62 × 69,434.50
  4. Step 4: Simplify right side
    126,023.62x = 12,075,535,813.39
  5. Step 5: Solve for x
    x = 12,075,535,813.39/126,023.62
  6. Step 6: Final answer
    x = 95,819.62

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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.