Home / 85,707.22-118,277.94-49,903.60

Finding the Fourth Proportional to 85,707.22, 118,277.94 and 49,903.60

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Solution

The fourth proportional to 85,707.22, 118,277.94 and 49,903.60 is: 68,868.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,707.22 : 118,277.94 = 49,903.60 : x
  2. Step 2: Convert to fraction form
    85,707.22/118,277.94 = 49,903.60/x
  3. Step 3: Cross multiply
    85,707.22x = 118,277.94 × 49,903.60
  4. Step 4: Simplify right side
    85,707.22x = 5,902,495,006.58
  5. Step 5: Solve for x
    x = 5,902,495,006.58/85,707.22
  6. Step 6: Final answer
    x = 68,868.12

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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.