Home / 76,134.06-105,052.47-47,819.58

Finding the Fourth Proportional to 76,134.06, 105,052.47 and 47,819.58

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Solution

The fourth proportional to 76,134.06, 105,052.47 and 47,819.58 is: 65,983.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,134.06 : 105,052.47 = 47,819.58 : x
  2. Step 2: Convert to fraction form
    76,134.06/105,052.47 = 47,819.58/x
  3. Step 3: Cross multiply
    76,134.06x = 105,052.47 × 47,819.58
  4. Step 4: Simplify right side
    76,134.06x = 5,023,564,993.36
  5. Step 5: Solve for x
    x = 5,023,564,993.36/76,134.06
  6. Step 6: Final answer
    x = 65,983.15

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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.