Home / 107,692.50-148,613.19-67,428.47

Finding the Fourth Proportional to 107,692.50, 148,613.19 and 67,428.47

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Solution

The fourth proportional to 107,692.50, 148,613.19 and 67,428.47 is: 93,049.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,692.50 : 148,613.19 = 67,428.47 : x
  2. Step 2: Convert to fraction form
    107,692.50/148,613.19 = 67,428.47/x
  3. Step 3: Cross multiply
    107,692.50x = 148,613.19 × 67,428.47
  4. Step 4: Simplify right side
    107,692.50x = 10,020,759,280.45
  5. Step 5: Solve for x
    x = 10,020,759,280.45/107,692.50
  6. Step 6: Final answer
    x = 93,049.74

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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.