Home / 77,960.37-116,939.52-18,795.57

Finding the Fourth Proportional to 77,960.37, 116,939.52 and 18,795.57

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Solution

The fourth proportional to 77,960.37, 116,939.52 and 18,795.57 is: 28,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,960.37 : 116,939.52 = 18,795.57 : x
  2. Step 2: Convert to fraction form
    77,960.37/116,939.52 = 18,795.57/x
  3. Step 3: Cross multiply
    77,960.37x = 116,939.52 × 18,795.57
  4. Step 4: Simplify right side
    77,960.37x = 2,197,944,349.23
  5. Step 5: Solve for x
    x = 2,197,944,349.23/77,960.37
  6. Step 6: Final answer
    x = 28,193.10

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1.5x scale

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.