Home / 82,530.06-123,812.87-25,602.82

Finding the Fourth Proportional to 82,530.06, 123,812.87 and 25,602.82

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Solution

The fourth proportional to 82,530.06, 123,812.87 and 25,602.82 is: 38,409.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.06 : 123,812.87 = 25,602.82 : x
  2. Step 2: Convert to fraction form
    82,530.06/123,812.87 = 25,602.82/x
  3. Step 3: Cross multiply
    82,530.06x = 123,812.87 × 25,602.82
  4. Step 4: Simplify right side
    82,530.06x = 3,169,957,961.58
  5. Step 5: Solve for x
    x = 3,169,957,961.58/82,530.06
  6. Step 6: Final answer
    x = 38,409.74

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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.