Home / 52,064.37-78,097.03-12,621.52

Finding the Fourth Proportional to 52,064.37, 78,097.03 and 12,621.52

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Solution

The fourth proportional to 52,064.37, 78,097.03 and 12,621.52 is: 18,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,064.37 : 78,097.03 = 12,621.52 : x
  2. Step 2: Convert to fraction form
    52,064.37/78,097.03 = 12,621.52/x
  3. Step 3: Cross multiply
    52,064.37x = 78,097.03 × 12,621.52
  4. Step 4: Simplify right side
    52,064.37x = 985,703,292.15
  5. Step 5: Solve for x
    x = 985,703,292.15/52,064.37
  6. Step 6: Final answer
    x = 18,932.40

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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.