Home / 81,887.64-113,010.66-46,081.08

Finding the Fourth Proportional to 81,887.64, 113,010.66 and 46,081.08

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Solution

The fourth proportional to 81,887.64, 113,010.66 and 46,081.08 is: 63,595.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,887.64 : 113,010.66 = 46,081.08 : x
  2. Step 2: Convert to fraction form
    81,887.64/113,010.66 = 46,081.08/x
  3. Step 3: Cross multiply
    81,887.64x = 113,010.66 × 46,081.08
  4. Step 4: Simplify right side
    81,887.64x = 5,207,653,264.31
  5. Step 5: Solve for x
    x = 5,207,653,264.31/81,887.64
  6. Step 6: Final answer
    x = 63,595.11

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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.