Home / 79,263.14-118,943.01-31,869.34

Finding the Fourth Proportional to 79,263.14, 118,943.01 and 31,869.34

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Solution

The fourth proportional to 79,263.14, 118,943.01 and 31,869.34 is: 47,823.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.14 : 118,943.01 = 31,869.34 : x
  2. Step 2: Convert to fraction form
    79,263.14/118,943.01 = 31,869.34/x
  3. Step 3: Cross multiply
    79,263.14x = 118,943.01 × 31,869.34
  4. Step 4: Simplify right side
    79,263.14x = 3,790,634,928.96
  5. Step 5: Solve for x
    x = 3,790,634,928.96/79,263.14
  6. Step 6: Final answer
    x = 47,823.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.