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Finding the Fourth Proportional to 72,807, 109,211.04 and 23,559

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Solution

The fourth proportional to 72,807, 109,211.04 and 23,559 is: 35,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,807 : 109,211.04 = 23,559 : x
  2. Step 2: Convert to fraction form
    72,807/109,211.04 = 23,559/x
  3. Step 3: Cross multiply
    72,807x = 109,211.04 × 23,559
  4. Step 4: Simplify right side
    72,807x = 2,572,902,891.36
  5. Step 5: Solve for x
    x = 2,572,902,891.36/72,807
  6. Step 6: Final answer
    x = 35,338.67

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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.