Home / 107,692.25-148,612.85-67,428.22

Finding the Fourth Proportional to 107,692.25, 148,612.85 and 67,428.22

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Solution

The fourth proportional to 107,692.25, 148,612.85 and 67,428.22 is: 93,049.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,692.25 : 148,612.85 = 67,428.22 : x
  2. Step 2: Convert to fraction form
    107,692.25/148,612.85 = 67,428.22/x
  3. Step 3: Cross multiply
    107,692.25x = 148,612.85 × 67,428.22
  4. Step 4: Simplify right side
    107,692.25x = 10,020,699,007.94
  5. Step 5: Solve for x
    x = 10,020,699,007.94/107,692.25
  6. Step 6: Final answer
    x = 93,049.40

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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.