Home / 76,580.30-105,665.30-44,743.05

Finding the Fourth Proportional to 76,580.30, 105,665.30 and 44,743.05

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Solution

The fourth proportional to 76,580.30, 105,665.30 and 44,743.05 is: 61,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,580.30 : 105,665.30 = 44,743.05 : x
  2. Step 2: Convert to fraction form
    76,580.30/105,665.30 = 44,743.05/x
  3. Step 3: Cross multiply
    76,580.30x = 105,665.30 × 44,743.05
  4. Step 4: Simplify right side
    76,580.30x = 4,727,787,913.02
  5. Step 5: Solve for x
    x = 4,727,787,913.02/76,580.30
  6. Step 6: Final answer
    x = 61,736.34

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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.