Home / 85,569.78-118,090.46-47,329.18

Finding the Fourth Proportional to 85,569.78, 118,090.46 and 47,329.18

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Solution

The fourth proportional to 85,569.78, 118,090.46 and 47,329.18 is: 65,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,569.78 : 118,090.46 = 47,329.18 : x
  2. Step 2: Convert to fraction form
    85,569.78/118,090.46 = 47,329.18/x
  3. Step 3: Cross multiply
    85,569.78x = 118,090.46 × 47,329.18
  4. Step 4: Simplify right side
    85,569.78x = 5,589,124,194.49
  5. Step 5: Solve for x
    x = 5,589,124,194.49/85,569.78
  6. Step 6: Final answer
    x = 65,316.56

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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.