Home / 76,670.24-105,804.24-43,135.52

Finding the Fourth Proportional to 76,670.24, 105,804.24 and 43,135.52

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Solution

The fourth proportional to 76,670.24, 105,804.24 and 43,135.52 is: 59,526.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.24 : 105,804.24 = 43,135.52 : x
  2. Step 2: Convert to fraction form
    76,670.24/105,804.24 = 43,135.52/x
  3. Step 3: Cross multiply
    76,670.24x = 105,804.24 × 43,135.52
  4. Step 4: Simplify right side
    76,670.24x = 4,563,920,910.60
  5. Step 5: Solve for x
    x = 4,563,920,910.60/76,670.24
  6. Step 6: Final answer
    x = 59,526.63

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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.