Home / 82,534.50-123,803.40-27,130.50

Finding the Fourth Proportional to 82,534.50, 123,803.40 and 27,130.50

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Solution

The fourth proportional to 82,534.50, 123,803.40 and 27,130.50 is: 40,696.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,534.50 : 123,803.40 = 27,130.50 : x
  2. Step 2: Convert to fraction form
    82,534.50/123,803.40 = 27,130.50/x
  3. Step 3: Cross multiply
    82,534.50x = 123,803.40 × 27,130.50
  4. Step 4: Simplify right side
    82,534.50x = 3,358,848,143.70
  5. Step 5: Solve for x
    x = 3,358,848,143.70/82,534.50
  6. Step 6: Final answer
    x = 40,696.29

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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.