Home / 76,282.70-105,276.36-42,301.84

Finding the Fourth Proportional to 76,282.70, 105,276.36 and 42,301.84

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Solution

The fourth proportional to 76,282.70, 105,276.36 and 42,301.84 is: 58,380.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,282.70 : 105,276.36 = 42,301.84 : x
  2. Step 2: Convert to fraction form
    76,282.70/105,276.36 = 42,301.84/x
  3. Step 3: Cross multiply
    76,282.70x = 105,276.36 × 42,301.84
  4. Step 4: Simplify right side
    76,282.70x = 4,453,383,736.50
  5. Step 5: Solve for x
    x = 4,453,383,736.50/76,282.70
  6. Step 6: Final answer
    x = 58,380.00

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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.