Home / 52,065.12-78,111.24-14,625.36

Finding the Fourth Proportional to 52,065.12, 78,111.24 and 14,625.36

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Solution

The fourth proportional to 52,065.12, 78,111.24 and 14,625.36 is: 21,941.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,065.12 : 78,111.24 = 14,625.36 : x
  2. Step 2: Convert to fraction form
    52,065.12/78,111.24 = 14,625.36/x
  3. Step 3: Cross multiply
    52,065.12x = 78,111.24 × 14,625.36
  4. Step 4: Simplify right side
    52,065.12x = 1,142,405,005.05
  5. Step 5: Solve for x
    x = 1,142,405,005.05/52,065.12
  6. Step 6: Final answer
    x = 21,941.85

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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.