Home / 83,790.08-115,633.28-46,067.20

Finding the Fourth Proportional to 83,790.08, 115,633.28 and 46,067.20

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Solution

The fourth proportional to 83,790.08, 115,633.28 and 46,067.20 is: 63,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,790.08 : 115,633.28 = 46,067.20 : x
  2. Step 2: Convert to fraction form
    83,790.08/115,633.28 = 46,067.20/x
  3. Step 3: Cross multiply
    83,790.08x = 115,633.28 × 46,067.20
  4. Step 4: Simplify right side
    83,790.08x = 5,326,901,436.42
  5. Step 5: Solve for x
    x = 5,326,901,436.42/83,790.08
  6. Step 6: Final answer
    x = 63,574.37

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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.