Home / 81,037.96-121,333.02-41,509.96

Finding the Fourth Proportional to 81,037.96, 121,333.02 and 41,509.96

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Solution

The fourth proportional to 81,037.96, 121,333.02 and 41,509.96 is: 62,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,037.96 : 121,333.02 = 41,509.96 : x
  2. Step 2: Convert to fraction form
    81,037.96/121,333.02 = 41,509.96/x
  3. Step 3: Cross multiply
    81,037.96x = 121,333.02 × 41,509.96
  4. Step 4: Simplify right side
    81,037.96x = 5,036,528,806.88
  5. Step 5: Solve for x
    x = 5,036,528,806.88/81,037.96
  6. Step 6: Final answer
    x = 62,150.24

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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.