Home / 85,051.52-117,364.22-49,243.80

Finding the Fourth Proportional to 85,051.52, 117,364.22 and 49,243.80

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Solution

The fourth proportional to 85,051.52, 117,364.22 and 49,243.80 is: 67,952.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,051.52 : 117,364.22 = 49,243.80 : x
  2. Step 2: Convert to fraction form
    85,051.52/117,364.22 = 49,243.80/x
  3. Step 3: Cross multiply
    85,051.52x = 117,364.22 × 49,243.80
  4. Step 4: Simplify right side
    85,051.52x = 5,779,459,756.73
  5. Step 5: Solve for x
    x = 5,779,459,756.73/85,051.52
  6. Step 6: Final answer
    x = 67,952.46

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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.