Home / 76,856.22-106,110.94-48,215.14

Finding the Fourth Proportional to 76,856.22, 106,110.94 and 48,215.14

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Solution

The fourth proportional to 76,856.22, 106,110.94 and 48,215.14 is: 66,567.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,856.22 : 106,110.94 = 48,215.14 : x
  2. Step 2: Convert to fraction form
    76,856.22/106,110.94 = 48,215.14/x
  3. Step 3: Cross multiply
    76,856.22x = 106,110.94 × 48,215.14
  4. Step 4: Simplify right side
    76,856.22x = 5,116,153,972.37
  5. Step 5: Solve for x
    x = 5,116,153,972.37/76,856.22
  6. Step 6: Final answer
    x = 66,567.86

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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.