Home / 76,848.38-115,280.25-23,539.74

Finding the Fourth Proportional to 76,848.38, 115,280.25 and 23,539.74

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Solution

The fourth proportional to 76,848.38, 115,280.25 and 23,539.74 is: 35,311.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,848.38 : 115,280.25 = 23,539.74 : x
  2. Step 2: Convert to fraction form
    76,848.38/115,280.25 = 23,539.74/x
  3. Step 3: Cross multiply
    76,848.38x = 115,280.25 × 23,539.74
  4. Step 4: Simplify right side
    76,848.38x = 2,713,666,795.48
  5. Step 5: Solve for x
    x = 2,713,666,795.48/76,848.38
  6. Step 6: Final answer
    x = 35,311.96

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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.