Home / 81,864.18-112,979.12-46,052.06

Finding the Fourth Proportional to 81,864.18, 112,979.12 and 46,052.06

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Solution

The fourth proportional to 81,864.18, 112,979.12 and 46,052.06 is: 63,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,864.18 : 112,979.12 = 46,052.06 : x
  2. Step 2: Convert to fraction form
    81,864.18/112,979.12 = 46,052.06/x
  3. Step 3: Cross multiply
    81,864.18x = 112,979.12 × 46,052.06
  4. Step 4: Simplify right side
    81,864.18x = 5,202,921,212.99
  5. Step 5: Solve for x
    x = 5,202,921,212.99/81,864.18
  6. Step 6: Final answer
    x = 63,555.53

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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.