Home / 83,673.07-115,467.51-45,947.32

Finding the Fourth Proportional to 83,673.07, 115,467.51 and 45,947.32

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Solution

The fourth proportional to 83,673.07, 115,467.51 and 45,947.32 is: 63,406.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,673.07 : 115,467.51 = 45,947.32 : x
  2. Step 2: Convert to fraction form
    83,673.07/115,467.51 = 45,947.32/x
  3. Step 3: Cross multiply
    83,673.07x = 115,467.51 × 45,947.32
  4. Step 4: Simplify right side
    83,673.07x = 5,305,422,631.57
  5. Step 5: Solve for x
    x = 5,305,422,631.57/83,673.07
  6. Step 6: Final answer
    x = 63,406.57

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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.