Home / 76,539.44-105,624.36-42,546.86

Finding the Fourth Proportional to 76,539.44, 105,624.36 and 42,546.86

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Solution

The fourth proportional to 76,539.44, 105,624.36 and 42,546.86 is: 58,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,539.44 : 105,624.36 = 42,546.86 : x
  2. Step 2: Convert to fraction form
    76,539.44/105,624.36 = 42,546.86/x
  3. Step 3: Cross multiply
    76,539.44x = 105,624.36 × 42,546.86
  4. Step 4: Simplify right side
    76,539.44x = 4,493,984,857.51
  5. Step 5: Solve for x
    x = 4,493,984,857.51/76,539.44
  6. Step 6: Final answer
    x = 58,714.63

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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.