Home / 83,899.68-115,777.48-46,173.12

Finding the Fourth Proportional to 83,899.68, 115,777.48 and 46,173.12

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Solution

The fourth proportional to 83,899.68, 115,777.48 and 46,173.12 is: 63,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,899.68 : 115,777.48 = 46,173.12 : x
  2. Step 2: Convert to fraction form
    83,899.68/115,777.48 = 46,173.12/x
  3. Step 3: Cross multiply
    83,899.68x = 115,777.48 × 46,173.12
  4. Step 4: Simplify right side
    83,899.68x = 5,345,807,477.34
  5. Step 5: Solve for x
    x = 5,345,807,477.34/83,899.68
  6. Step 6: Final answer
    x = 63,716.66

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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.