Home / 82,050.48-123,088.68-28,757.16

Finding the Fourth Proportional to 82,050.48, 123,088.68 and 28,757.16

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Solution

The fourth proportional to 82,050.48, 123,088.68 and 28,757.16 is: 43,140.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,050.48 : 123,088.68 = 28,757.16 : x
  2. Step 2: Convert to fraction form
    82,050.48/123,088.68 = 28,757.16/x
  3. Step 3: Cross multiply
    82,050.48x = 123,088.68 × 28,757.16
  4. Step 4: Simplify right side
    82,050.48x = 3,539,680,864.95
  5. Step 5: Solve for x
    x = 3,539,680,864.95/82,050.48
  6. Step 6: Final answer
    x = 43,140.28

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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.