Home / 76,754.96-115,158.58-46,829.12

Finding the Fourth Proportional to 76,754.96, 115,158.58 and 46,829.12

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Solution

The fourth proportional to 76,754.96, 115,158.58 and 46,829.12 is: 70,259.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,754.96 : 115,158.58 = 46,829.12 : x
  2. Step 2: Convert to fraction form
    76,754.96/115,158.58 = 46,829.12/x
  3. Step 3: Cross multiply
    76,754.96x = 115,158.58 × 46,829.12
  4. Step 4: Simplify right side
    76,754.96x = 5,392,774,961.85
  5. Step 5: Solve for x
    x = 5,392,774,961.85/76,754.96
  6. Step 6: Final answer
    x = 70,259.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.