Home / 85,745.32-118,236.12-58,524.46

Finding the Fourth Proportional to 85,745.32, 118,236.12 and 58,524.46

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Solution

The fourth proportional to 85,745.32, 118,236.12 and 58,524.46 is: 80,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,745.32 : 118,236.12 = 58,524.46 : x
  2. Step 2: Convert to fraction form
    85,745.32/118,236.12 = 58,524.46/x
  3. Step 3: Cross multiply
    85,745.32x = 118,236.12 × 58,524.46
  4. Step 4: Simplify right side
    85,745.32x = 6,919,705,075.50
  5. Step 5: Solve for x
    x = 6,919,705,075.50/85,745.32
  6. Step 6: Final answer
    x = 80,700.67

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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.