Home / 84,863.14-117,111.47-46,625.78

Finding the Fourth Proportional to 84,863.14, 117,111.47 and 46,625.78

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Solution

The fourth proportional to 84,863.14, 117,111.47 and 46,625.78 is: 64,343.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,863.14 : 117,111.47 = 46,625.78 : x
  2. Step 2: Convert to fraction form
    84,863.14/117,111.47 = 46,625.78/x
  3. Step 3: Cross multiply
    84,863.14x = 117,111.47 × 46,625.78
  4. Step 4: Simplify right side
    84,863.14x = 5,460,413,695.35
  5. Step 5: Solve for x
    x = 5,460,413,695.35/84,863.14
  6. Step 6: Final answer
    x = 64,343.76

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1.5x scale

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.