Home / 62,828.64-86,705.40-35,979.84

Finding the Fourth Proportional to 62,828.64, 86,705.40 and 35,979.84

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Solution

The fourth proportional to 62,828.64, 86,705.40 and 35,979.84 is: 49,653.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,828.64 : 86,705.40 = 35,979.84 : x
  2. Step 2: Convert to fraction form
    62,828.64/86,705.40 = 35,979.84/x
  3. Step 3: Cross multiply
    62,828.64x = 86,705.40 × 35,979.84
  4. Step 4: Simplify right side
    62,828.64x = 3,119,646,419.14
  5. Step 5: Solve for x
    x = 3,119,646,419.14/62,828.64
  6. Step 6: Final answer
    x = 49,653.25

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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.