Home / 82,501.44-123,760.80-40,937.28

Finding the Fourth Proportional to 82,501.44, 123,760.80 and 40,937.28

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Solution

The fourth proportional to 82,501.44, 123,760.80 and 40,937.28 is: 61,410.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,501.44 : 123,760.80 = 40,937.28 : x
  2. Step 2: Convert to fraction form
    82,501.44/123,760.80 = 40,937.28/x
  3. Step 3: Cross multiply
    82,501.44x = 123,760.80 × 40,937.28
  4. Step 4: Simplify right side
    82,501.44x = 5,066,430,522.62
  5. Step 5: Solve for x
    x = 5,066,430,522.62/82,501.44
  6. Step 6: Final answer
    x = 61,410.21

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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.