Home / 76,714.56-105,835.68-46,923.84

Finding the Fourth Proportional to 76,714.56, 105,835.68 and 46,923.84

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Solution

The fourth proportional to 76,714.56, 105,835.68 and 46,923.84 is: 64,736.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,714.56 : 105,835.68 = 46,923.84 : x
  2. Step 2: Convert to fraction form
    76,714.56/105,835.68 = 46,923.84/x
  3. Step 3: Cross multiply
    76,714.56x = 105,835.68 × 46,923.84
  4. Step 4: Simplify right side
    76,714.56x = 4,966,216,514.61
  5. Step 5: Solve for x
    x = 4,966,216,514.61/76,714.56
  6. Step 6: Final answer
    x = 64,736.30

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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.