Home / 57,014.24-78,596.88-39,965.36

Finding the Fourth Proportional to 57,014.24, 78,596.88 and 39,965.36

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Solution

The fourth proportional to 57,014.24, 78,596.88 and 39,965.36 is: 55,094.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,014.24 : 78,596.88 = 39,965.36 : x
  2. Step 2: Convert to fraction form
    57,014.24/78,596.88 = 39,965.36/x
  3. Step 3: Cross multiply
    57,014.24x = 78,596.88 × 39,965.36
  4. Step 4: Simplify right side
    57,014.24x = 3,141,152,604.08
  5. Step 5: Solve for x
    x = 3,141,152,604.08/57,014.24
  6. Step 6: Final answer
    x = 55,094.18

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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.