Home / 49,376.72-74,042.04-28,606.16

Finding the Fourth Proportional to 49,376.72, 74,042.04 and 28,606.16

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Solution

The fourth proportional to 49,376.72, 74,042.04 and 28,606.16 is: 42,895.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,376.72 : 74,042.04 = 28,606.16 : x
  2. Step 2: Convert to fraction form
    49,376.72/74,042.04 = 28,606.16/x
  3. Step 3: Cross multiply
    49,376.72x = 74,042.04 × 28,606.16
  4. Step 4: Simplify right side
    49,376.72x = 2,118,058,442.97
  5. Step 5: Solve for x
    x = 2,118,058,442.97/49,376.72
  6. Step 6: Final answer
    x = 42,895.89

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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.