Home / 85,034.72-127,357.68-40,692.62

Finding the Fourth Proportional to 85,034.72, 127,357.68 and 40,692.62

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Solution

The fourth proportional to 85,034.72, 127,357.68 and 40,692.62 is: 60,945.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034.72 : 127,357.68 = 40,692.62 : x
  2. Step 2: Convert to fraction form
    85,034.72/127,357.68 = 40,692.62/x
  3. Step 3: Cross multiply
    85,034.72x = 127,357.68 × 40,692.62
  4. Step 4: Simplify right side
    85,034.72x = 5,182,518,147.31
  5. Step 5: Solve for x
    x = 5,182,518,147.31/85,034.72
  6. Step 6: Final answer
    x = 60,945.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.