Home / 79,056.23-109,096.71-43,245.81

Finding the Fourth Proportional to 79,056.23, 109,096.71 and 43,245.81

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Solution

The fourth proportional to 79,056.23, 109,096.71 and 43,245.81 is: 59,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056.23 : 109,096.71 = 43,245.81 : x
  2. Step 2: Convert to fraction form
    79,056.23/109,096.71 = 43,245.81/x
  3. Step 3: Cross multiply
    79,056.23x = 109,096.71 × 43,245.81
  4. Step 4: Simplify right side
    79,056.23x = 4,717,975,430.11
  5. Step 5: Solve for x
    x = 4,717,975,430.11/79,056.23
  6. Step 6: Final answer
    x = 59,678.73

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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.