Home / 81,579.08-112,693.83-62,955.56

Finding the Fourth Proportional to 81,579.08, 112,693.83 and 62,955.56

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Solution

The fourth proportional to 81,579.08, 112,693.83 and 62,955.56 is: 86,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,579.08 : 112,693.83 = 62,955.56 : x
  2. Step 2: Convert to fraction form
    81,579.08/112,693.83 = 62,955.56/x
  3. Step 3: Cross multiply
    81,579.08x = 112,693.83 × 62,955.56
  4. Step 4: Simplify right side
    81,579.08x = 7,094,703,238.37
  5. Step 5: Solve for x
    x = 7,094,703,238.37/81,579.08
  6. Step 6: Final answer
    x = 86,967.19

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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.