Home / 82,427.02-123,637.11-38,039.02

Finding the Fourth Proportional to 82,427.02, 123,637.11 and 38,039.02

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Solution

The fourth proportional to 82,427.02, 123,637.11 and 38,039.02 is: 57,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,427.02 : 123,637.11 = 38,039.02 : x
  2. Step 2: Convert to fraction form
    82,427.02/123,637.11 = 38,039.02/x
  3. Step 3: Cross multiply
    82,427.02x = 123,637.11 × 38,039.02
  4. Step 4: Simplify right side
    82,427.02x = 4,703,034,500.03
  5. Step 5: Solve for x
    x = 4,703,034,500.03/82,427.02
  6. Step 6: Final answer
    x = 57,056.95

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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.