Home / 82,965.96-124,410.02-30,338.64

Finding the Fourth Proportional to 82,965.96, 124,410.02 and 30,338.64

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Solution

The fourth proportional to 82,965.96, 124,410.02 and 30,338.64 is: 45,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,965.96 : 124,410.02 = 30,338.64 : x
  2. Step 2: Convert to fraction form
    82,965.96/124,410.02 = 30,338.64/x
  3. Step 3: Cross multiply
    82,965.96x = 124,410.02 × 30,338.64
  4. Step 4: Simplify right side
    82,965.96x = 3,774,430,809.17
  5. Step 5: Solve for x
    x = 3,774,430,809.17/82,965.96
  6. Step 6: Final answer
    x = 45,493.73

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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.