Home / 76,365.03-105,379-46,132.53

Finding the Fourth Proportional to 76,365.03, 105,379 and 46,132.53

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Solution

The fourth proportional to 76,365.03, 105,379 and 46,132.53 is: 63,660.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,365.03 : 105,379 = 46,132.53 : x
  2. Step 2: Convert to fraction form
    76,365.03/105,379 = 46,132.53/x
  3. Step 3: Cross multiply
    76,365.03x = 105,379 × 46,132.53
  4. Step 4: Simplify right side
    76,365.03x = 4,861,399,878.87
  5. Step 5: Solve for x
    x = 4,861,399,878.87/76,365.03
  6. Step 6: Final answer
    x = 63,660.03

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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.