Home / 102,592.07-153,942.26-72,798.83

Finding the Fourth Proportional to 102,592.07, 153,942.26 and 72,798.83

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Solution

The fourth proportional to 102,592.07, 153,942.26 and 72,798.83 is: 109,236.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,592.07 : 153,942.26 = 72,798.83 : x
  2. Step 2: Convert to fraction form
    102,592.07/153,942.26 = 72,798.83/x
  3. Step 3: Cross multiply
    102,592.07x = 153,942.26 × 72,798.83
  4. Step 4: Simplify right side
    102,592.07x = 11,206,815,281.85
  5. Step 5: Solve for x
    x = 11,206,815,281.85/102,592.07
  6. Step 6: Final answer
    x = 109,236.67

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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.