Home / 79,277.46-118,916.40-26,723.88

Finding the Fourth Proportional to 79,277.46, 118,916.40 and 26,723.88

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Solution

The fourth proportional to 79,277.46, 118,916.40 and 26,723.88 is: 40,085.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.46 : 118,916.40 = 26,723.88 : x
  2. Step 2: Convert to fraction form
    79,277.46/118,916.40 = 26,723.88/x
  3. Step 3: Cross multiply
    79,277.46x = 118,916.40 × 26,723.88
  4. Step 4: Simplify right side
    79,277.46x = 3,177,907,603.63
  5. Step 5: Solve for x
    x = 3,177,907,603.63/79,277.46
  6. Step 6: Final answer
    x = 40,085.89

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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.