Home / 79,529.41-109,752.06-43,719.40

Finding the Fourth Proportional to 79,529.41, 109,752.06 and 43,719.40

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Solution

The fourth proportional to 79,529.41, 109,752.06 and 43,719.40 is: 60,333.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,529.41 : 109,752.06 = 43,719.40 : x
  2. Step 2: Convert to fraction form
    79,529.41/109,752.06 = 43,719.40/x
  3. Step 3: Cross multiply
    79,529.41x = 109,752.06 × 43,719.40
  4. Step 4: Simplify right side
    79,529.41x = 4,798,294,211.96
  5. Step 5: Solve for x
    x = 4,798,294,211.96/79,529.41
  6. Step 6: Final answer
    x = 60,333.58

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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.