Home / 76,857.22-106,112.32-48,216.14

Finding the Fourth Proportional to 76,857.22, 106,112.32 and 48,216.14

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Solution

The fourth proportional to 76,857.22, 106,112.32 and 48,216.14 is: 66,569.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,857.22 : 106,112.32 = 48,216.14 : x
  2. Step 2: Convert to fraction form
    76,857.22/106,112.32 = 48,216.14/x
  3. Step 3: Cross multiply
    76,857.22x = 106,112.32 × 48,216.14
  4. Step 4: Simplify right side
    76,857.22x = 5,116,326,476.84
  5. Step 5: Solve for x
    x = 5,116,326,476.84/76,857.22
  6. Step 6: Final answer
    x = 66,569.24

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1.5x scale

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.