Home / 74,628.52-102,954.04-50,421.67

Finding the Fourth Proportional to 74,628.52, 102,954.04 and 50,421.67

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Solution

The fourth proportional to 74,628.52, 102,954.04 and 50,421.67 is: 69,559.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,628.52 : 102,954.04 = 50,421.67 : x
  2. Step 2: Convert to fraction form
    74,628.52/102,954.04 = 50,421.67/x
  3. Step 3: Cross multiply
    74,628.52x = 102,954.04 × 50,421.67
  4. Step 4: Simplify right side
    74,628.52x = 5,191,114,246.61
  5. Step 5: Solve for x
    x = 5,191,114,246.61/74,628.52
  6. Step 6: Final answer
    x = 69,559.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.