Home / 82,530.86-123,795.16-26,370.20

Finding the Fourth Proportional to 82,530.86, 123,795.16 and 26,370.20

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Solution

The fourth proportional to 82,530.86, 123,795.16 and 26,370.20 is: 39,554.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.86 : 123,795.16 = 26,370.20 : x
  2. Step 2: Convert to fraction form
    82,530.86/123,795.16 = 26,370.20/x
  3. Step 3: Cross multiply
    82,530.86x = 123,795.16 × 26,370.20
  4. Step 4: Simplify right side
    82,530.86x = 3,264,503,128.23
  5. Step 5: Solve for x
    x = 3,264,503,128.23/82,530.86
  6. Step 6: Final answer
    x = 39,554.94

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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.