Home / 77,933.52-116,883-46,777.68

Finding the Fourth Proportional to 77,933.52, 116,883 and 46,777.68

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Solution

The fourth proportional to 77,933.52, 116,883 and 46,777.68 is: 70,156.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,933.52 : 116,883 = 46,777.68 : x
  2. Step 2: Convert to fraction form
    77,933.52/116,883 = 46,777.68/x
  3. Step 3: Cross multiply
    77,933.52x = 116,883 × 46,777.68
  4. Step 4: Simplify right side
    77,933.52x = 5,467,515,571.44
  5. Step 5: Solve for x
    x = 5,467,515,571.44/77,933.52
  6. Step 6: Final answer
    x = 70,156.15

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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.