Home / 83,891.10-115,769.64-46,165.36

Finding the Fourth Proportional to 83,891.10, 115,769.64 and 46,165.36

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Solution

The fourth proportional to 83,891.10, 115,769.64 and 46,165.36 is: 63,708.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,891.10 : 115,769.64 = 46,165.36 : x
  2. Step 2: Convert to fraction form
    83,891.10/115,769.64 = 46,165.36/x
  3. Step 3: Cross multiply
    83,891.10x = 115,769.64 × 46,165.36
  4. Step 4: Simplify right side
    83,891.10x = 5,344,547,107.67
  5. Step 5: Solve for x
    x = 5,344,547,107.67/83,891.10
  6. Step 6: Final answer
    x = 63,708.15

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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.