Home / 111,538.10-167,368.50-48,358.71

Finding the Fourth Proportional to 111,538.10, 167,368.50 and 48,358.71

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Solution

The fourth proportional to 111,538.10, 167,368.50 and 48,358.71 is: 72,564.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,538.10 : 167,368.50 = 48,358.71 : x
  2. Step 2: Convert to fraction form
    111,538.10/167,368.50 = 48,358.71/x
  3. Step 3: Cross multiply
    111,538.10x = 167,368.50 × 48,358.71
  4. Step 4: Simplify right side
    111,538.10x = 8,093,724,754.64
  5. Step 5: Solve for x
    x = 8,093,724,754.64/111,538.10
  6. Step 6: Final answer
    x = 72,564.67

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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.