Home / 79,653.18-109,921.41-43,842.93

Finding the Fourth Proportional to 79,653.18, 109,921.41 and 43,842.93

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Solution

The fourth proportional to 79,653.18, 109,921.41 and 43,842.93 is: 60,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,653.18 : 109,921.41 = 43,842.93 : x
  2. Step 2: Convert to fraction form
    79,653.18/109,921.41 = 43,842.93/x
  3. Step 3: Cross multiply
    79,653.18x = 109,921.41 × 43,842.93
  4. Step 4: Simplify right side
    79,653.18x = 4,819,276,684.13
  5. Step 5: Solve for x
    x = 4,819,276,684.13/79,653.18
  6. Step 6: Final answer
    x = 60,503.26

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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.