Home / 51,975.06-77,970.74-16,906.50

Finding the Fourth Proportional to 51,975.06, 77,970.74 and 16,906.50

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Solution

The fourth proportional to 51,975.06, 77,970.74 and 16,906.50 is: 25,362.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,975.06 : 77,970.74 = 16,906.50 : x
  2. Step 2: Convert to fraction form
    51,975.06/77,970.74 = 16,906.50/x
  3. Step 3: Cross multiply
    51,975.06x = 77,970.74 × 16,906.50
  4. Step 4: Simplify right side
    51,975.06x = 1,318,212,315.81
  5. Step 5: Solve for x
    x = 1,318,212,315.81/51,975.06
  6. Step 6: Final answer
    x = 25,362.40

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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.