Home / 52,989.24-79,455.78-47,001.72

Finding the Fourth Proportional to 52,989.24, 79,455.78 and 47,001.72

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Solution

The fourth proportional to 52,989.24, 79,455.78 and 47,001.72 is: 70,477.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,989.24 : 79,455.78 = 47,001.72 : x
  2. Step 2: Convert to fraction form
    52,989.24/79,455.78 = 47,001.72/x
  3. Step 3: Cross multiply
    52,989.24x = 79,455.78 × 47,001.72
  4. Step 4: Simplify right side
    52,989.24x = 3,734,558,323.94
  5. Step 5: Solve for x
    x = 3,734,558,323.94/52,989.24
  6. Step 6: Final answer
    x = 70,477.67

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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.