Home / 111,312.40-166,969.14-32,427.04

Finding the Fourth Proportional to 111,312.40, 166,969.14 and 32,427.04

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Solution

The fourth proportional to 111,312.40, 166,969.14 and 32,427.04 is: 48,640.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,312.40 : 166,969.14 = 32,427.04 : x
  2. Step 2: Convert to fraction form
    111,312.40/166,969.14 = 32,427.04/x
  3. Step 3: Cross multiply
    111,312.40x = 166,969.14 × 32,427.04
  4. Step 4: Simplify right side
    111,312.40x = 5,414,314,981.55
  5. Step 5: Solve for x
    x = 5,414,314,981.55/111,312.40
  6. Step 6: Final answer
    x = 48,640.72

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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.