Home / 81,579.24-112,577.48-45,768.42

Finding the Fourth Proportional to 81,579.24, 112,577.48 and 45,768.42

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Solution

The fourth proportional to 81,579.24, 112,577.48 and 45,768.42 is: 63,159.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,579.24 : 112,577.48 = 45,768.42 : x
  2. Step 2: Convert to fraction form
    81,579.24/112,577.48 = 45,768.42/x
  3. Step 3: Cross multiply
    81,579.24x = 112,577.48 × 45,768.42
  4. Step 4: Simplify right side
    81,579.24x = 5,152,493,387.18
  5. Step 5: Solve for x
    x = 5,152,493,387.18/81,579.24
  6. Step 6: Final answer
    x = 63,159.37

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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.