Home / 69,810.12-104,696.28-47,619.36

Finding the Fourth Proportional to 69,810.12, 104,696.28 and 47,619.36

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Solution

The fourth proportional to 69,810.12, 104,696.28 and 47,619.36 is: 71,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,810.12 : 104,696.28 = 47,619.36 : x
  2. Step 2: Convert to fraction form
    69,810.12/104,696.28 = 47,619.36/x
  3. Step 3: Cross multiply
    69,810.12x = 104,696.28 × 47,619.36
  4. Step 4: Simplify right side
    69,810.12x = 4,985,569,847.98
  5. Step 5: Solve for x
    x = 4,985,569,847.98/69,810.12
  6. Step 6: Final answer
    x = 71,416.15

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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.