Home / 69,930.93-104,896.50-53,384.91

Finding the Fourth Proportional to 69,930.93, 104,896.50 and 53,384.91

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Solution

The fourth proportional to 69,930.93, 104,896.50 and 53,384.91 is: 80,077.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,930.93 : 104,896.50 = 53,384.91 : x
  2. Step 2: Convert to fraction form
    69,930.93/104,896.50 = 53,384.91/x
  3. Step 3: Cross multiply
    69,930.93x = 104,896.50 × 53,384.91
  4. Step 4: Simplify right side
    69,930.93x = 5,599,890,211.82
  5. Step 5: Solve for x
    x = 5,599,890,211.82/69,930.93
  6. Step 6: Final answer
    x = 80,077.45

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1.5x scale

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.