Home / 79,262.88-109,403.46-49,030.64

Finding the Fourth Proportional to 79,262.88, 109,403.46 and 49,030.64

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Solution

The fourth proportional to 79,262.88, 109,403.46 and 49,030.64 is: 67,675.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,262.88 : 109,403.46 = 49,030.64 : x
  2. Step 2: Convert to fraction form
    79,262.88/109,403.46 = 49,030.64/x
  3. Step 3: Cross multiply
    79,262.88x = 109,403.46 × 49,030.64
  4. Step 4: Simplify right side
    79,262.88x = 5,364,121,662.01
  5. Step 5: Solve for x
    x = 5,364,121,662.01/79,262.88
  6. Step 6: Final answer
    x = 67,675.08

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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.