Home / 85,208.40-117,596.34-51,227.96

Finding the Fourth Proportional to 85,208.40, 117,596.34 and 51,227.96

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Solution

The fourth proportional to 85,208.40, 117,596.34 and 51,227.96 is: 70,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,208.40 : 117,596.34 = 51,227.96 : x
  2. Step 2: Convert to fraction form
    85,208.40/117,596.34 = 51,227.96/x
  3. Step 3: Cross multiply
    85,208.40x = 117,596.34 × 51,227.96
  4. Step 4: Simplify right side
    85,208.40x = 6,024,220,601.67
  5. Step 5: Solve for x
    x = 6,024,220,601.67/85,208.40
  6. Step 6: Final answer
    x = 70,699.84

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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.