Home / 76,825.58-115,084.65-61,057.22

Finding the Fourth Proportional to 76,825.58, 115,084.65 and 61,057.22

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Solution

The fourth proportional to 76,825.58, 115,084.65 and 61,057.22 is: 91,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,825.58 : 115,084.65 = 61,057.22 : x
  2. Step 2: Convert to fraction form
    76,825.58/115,084.65 = 61,057.22/x
  3. Step 3: Cross multiply
    76,825.58x = 115,084.65 × 61,057.22
  4. Step 4: Simplify right side
    76,825.58x = 7,026,748,793.67
  5. Step 5: Solve for x
    x = 7,026,748,793.67/76,825.58
  6. Step 6: Final answer
    x = 91,463.66

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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.