Home / 81,396.48-121,936.32-60,010.24

Finding the Fourth Proportional to 81,396.48, 121,936.32 and 60,010.24

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Solution

The fourth proportional to 81,396.48, 121,936.32 and 60,010.24 is: 89,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,396.48 : 121,936.32 = 60,010.24 : x
  2. Step 2: Convert to fraction form
    81,396.48/121,936.32 = 60,010.24/x
  3. Step 3: Cross multiply
    81,396.48x = 121,936.32 × 60,010.24
  4. Step 4: Simplify right side
    81,396.48x = 7,317,427,827.92
  5. Step 5: Solve for x
    x = 7,317,427,827.92/81,396.48
  6. Step 6: Final answer
    x = 89,898.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.