Home / 77,977.89-107,607.69-46,147.32

Finding the Fourth Proportional to 77,977.89, 107,607.69 and 46,147.32

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Solution

The fourth proportional to 77,977.89, 107,607.69 and 46,147.32 is: 63,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,977.89 : 107,607.69 = 46,147.32 : x
  2. Step 2: Convert to fraction form
    77,977.89/107,607.69 = 46,147.32/x
  3. Step 3: Cross multiply
    77,977.89x = 107,607.69 × 46,147.32
  4. Step 4: Simplify right side
    77,977.89x = 4,965,806,504.89
  5. Step 5: Solve for x
    x = 4,965,806,504.89/77,977.89
  6. Step 6: Final answer
    x = 63,682.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.