Home / 82,861.31-114,300.51-52,222.40

Finding the Fourth Proportional to 82,861.31, 114,300.51 and 52,222.40

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Solution

The fourth proportional to 82,861.31, 114,300.51 and 52,222.40 is: 72,036.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,861.31 : 114,300.51 = 52,222.40 : x
  2. Step 2: Convert to fraction form
    82,861.31/114,300.51 = 52,222.40/x
  3. Step 3: Cross multiply
    82,861.31x = 114,300.51 × 52,222.40
  4. Step 4: Simplify right side
    82,861.31x = 5,969,046,120.81
  5. Step 5: Solve for x
    x = 5,969,046,120.81/82,861.31
  6. Step 6: Final answer
    x = 72,036.59

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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.