Home / 76,691.25-105,833.93-43,157.97

Finding the Fourth Proportional to 76,691.25, 105,833.93 and 43,157.97

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Solution

The fourth proportional to 76,691.25, 105,833.93 and 43,157.97 is: 59,558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,691.25 : 105,833.93 = 43,157.97 : x
  2. Step 2: Convert to fraction form
    76,691.25/105,833.93 = 43,157.97/x
  3. Step 3: Cross multiply
    76,691.25x = 105,833.93 × 43,157.97
  4. Step 4: Simplify right side
    76,691.25x = 4,567,577,360.13
  5. Step 5: Solve for x
    x = 4,567,577,360.13/76,691.25
  6. Step 6: Final answer
    x = 59,558.00

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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.