Home / 76,216.68-105,160.02-43,961.16

Finding the Fourth Proportional to 76,216.68, 105,160.02 and 43,961.16

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Solution

The fourth proportional to 76,216.68, 105,160.02 and 43,961.16 is: 60,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,216.68 : 105,160.02 = 43,961.16 : x
  2. Step 2: Convert to fraction form
    76,216.68/105,160.02 = 43,961.16/x
  3. Step 3: Cross multiply
    76,216.68x = 105,160.02 × 43,961.16
  4. Step 4: Simplify right side
    76,216.68x = 4,622,956,464.82
  5. Step 5: Solve for x
    x = 4,622,956,464.82/76,216.68
  6. Step 6: Final answer
    x = 60,655.44

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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.