Home / 52,047.52-78,071.10-12,604.60

Finding the Fourth Proportional to 52,047.52, 78,071.10 and 12,604.60

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Solution

The fourth proportional to 52,047.52, 78,071.10 and 12,604.60 is: 18,906.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,047.52 : 78,071.10 = 12,604.60 : x
  2. Step 2: Convert to fraction form
    52,047.52/78,071.10 = 12,604.60/x
  3. Step 3: Cross multiply
    52,047.52x = 78,071.10 × 12,604.60
  4. Step 4: Simplify right side
    52,047.52x = 984,054,987.06
  5. Step 5: Solve for x
    x = 984,054,987.06/52,047.52
  6. Step 6: Final answer
    x = 18,906.86

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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.