Home / 82,096.31-123,120.70-28,055.54

Finding the Fourth Proportional to 82,096.31, 123,120.70 and 28,055.54

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Solution

The fourth proportional to 82,096.31, 123,120.70 and 28,055.54 is: 42,075.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,096.31 : 123,120.70 = 28,055.54 : x
  2. Step 2: Convert to fraction form
    82,096.31/123,120.70 = 28,055.54/x
  3. Step 3: Cross multiply
    82,096.31x = 123,120.70 × 28,055.54
  4. Step 4: Simplify right side
    82,096.31x = 3,454,217,961.34
  5. Step 5: Solve for x
    x = 3,454,217,961.34/82,096.31
  6. Step 6: Final answer
    x = 42,075.19

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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.