Home / 107,692.20-148,613.94-62,980.20

Finding the Fourth Proportional to 107,692.20, 148,613.94 and 62,980.20

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Solution

The fourth proportional to 107,692.20, 148,613.94 and 62,980.20 is: 86,911.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,692.20 : 148,613.94 = 62,980.20 : x
  2. Step 2: Convert to fraction form
    107,692.20/148,613.94 = 62,980.20/x
  3. Step 3: Cross multiply
    107,692.20x = 148,613.94 × 62,980.20
  4. Step 4: Simplify right side
    107,692.20x = 9,359,735,663.99
  5. Step 5: Solve for x
    x = 9,359,735,663.99/107,692.20
  6. Step 6: Final answer
    x = 86,911.92

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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.