Home / 85,596.11-128,438.94-35,032.67

Finding the Fourth Proportional to 85,596.11, 128,438.94 and 35,032.67

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Solution

The fourth proportional to 85,596.11, 128,438.94 and 35,032.67 is: 52,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,596.11 : 128,438.94 = 35,032.67 : x
  2. Step 2: Convert to fraction form
    85,596.11/128,438.94 = 35,032.67/x
  3. Step 3: Cross multiply
    85,596.11x = 128,438.94 × 35,032.67
  4. Step 4: Simplify right side
    85,596.11x = 4,499,559,000.17
  5. Step 5: Solve for x
    x = 4,499,559,000.17/85,596.11
  6. Step 6: Final answer
    x = 52,567.33

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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.