Home / 76,947.02-106,187.32-45,116.46

Finding the Fourth Proportional to 76,947.02, 106,187.32 and 45,116.46

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Solution

The fourth proportional to 76,947.02, 106,187.32 and 45,116.46 is: 62,260.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,947.02 : 106,187.32 = 45,116.46 : x
  2. Step 2: Convert to fraction form
    76,947.02/106,187.32 = 45,116.46/x
  3. Step 3: Cross multiply
    76,947.02x = 106,187.32 × 45,116.46
  4. Step 4: Simplify right side
    76,947.02x = 4,790,795,975.29
  5. Step 5: Solve for x
    x = 4,790,795,975.29/76,947.02
  6. Step 6: Final answer
    x = 62,260.97

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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.