Home / 85,569.72-118,090.37-47,329.12

Finding the Fourth Proportional to 85,569.72, 118,090.37 and 47,329.12

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Solution

The fourth proportional to 85,569.72, 118,090.37 and 47,329.12 is: 65,316.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,569.72 : 118,090.37 = 47,329.12 : x
  2. Step 2: Convert to fraction form
    85,569.72/118,090.37 = 47,329.12/x
  3. Step 3: Cross multiply
    85,569.72x = 118,090.37 × 47,329.12
  4. Step 4: Simplify right side
    85,569.72x = 5,589,113,292.57
  5. Step 5: Solve for x
    x = 5,589,113,292.57/85,569.72
  6. Step 6: Final answer
    x = 65,316.48

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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.