Home / 52,096.32-78,144.48-12,653.37

Finding the Fourth Proportional to 52,096.32, 78,144.48 and 12,653.37

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Solution

The fourth proportional to 52,096.32, 78,144.48 and 12,653.37 is: 18,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,096.32 : 78,144.48 = 12,653.37 : x
  2. Step 2: Convert to fraction form
    52,096.32/78,144.48 = 12,653.37/x
  3. Step 3: Cross multiply
    52,096.32x = 78,144.48 × 12,653.37
  4. Step 4: Simplify right side
    52,096.32x = 988,791,018.90
  5. Step 5: Solve for x
    x = 988,791,018.90/52,096.32
  6. Step 6: Final answer
    x = 18,980.06

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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.