Home / 85,176.42-117,541.92-46,939.51

Finding the Fourth Proportional to 85,176.42, 117,541.92 and 46,939.51

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Solution

The fourth proportional to 85,176.42, 117,541.92 and 46,939.51 is: 64,775.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,176.42 : 117,541.92 = 46,939.51 : x
  2. Step 2: Convert to fraction form
    85,176.42/117,541.92 = 46,939.51/x
  3. Step 3: Cross multiply
    85,176.42x = 117,541.92 × 46,939.51
  4. Step 4: Simplify right side
    85,176.42x = 5,517,360,129.26
  5. Step 5: Solve for x
    x = 5,517,360,129.26/85,176.42
  6. Step 6: Final answer
    x = 64,775.68

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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.