Home / 85,285.18-117,692.67-47,044.54

Finding the Fourth Proportional to 85,285.18, 117,692.67 and 47,044.54

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Solution

The fourth proportional to 85,285.18, 117,692.67 and 47,044.54 is: 64,920.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,285.18 : 117,692.67 = 47,044.54 : x
  2. Step 2: Convert to fraction form
    85,285.18/117,692.67 = 47,044.54/x
  3. Step 3: Cross multiply
    85,285.18x = 117,692.67 × 47,044.54
  4. Step 4: Simplify right side
    85,285.18x = 5,536,797,521.52
  5. Step 5: Solve for x
    x = 5,536,797,521.52/85,285.18
  6. Step 6: Final answer
    x = 64,920.98

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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.