Home / 81,675.24-112,714.56-45,871.56

Finding the Fourth Proportional to 81,675.24, 112,714.56 and 45,871.56

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Solution

The fourth proportional to 81,675.24, 112,714.56 and 45,871.56 is: 63,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,675.24 : 112,714.56 = 45,871.56 : x
  2. Step 2: Convert to fraction form
    81,675.24/112,714.56 = 45,871.56/x
  3. Step 3: Cross multiply
    81,675.24x = 112,714.56 × 45,871.56
  4. Step 4: Simplify right side
    81,675.24x = 5,170,392,701.91
  5. Step 5: Solve for x
    x = 5,170,392,701.91/81,675.24
  6. Step 6: Final answer
    x = 63,304.29

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1.5x scale

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.