Home / 53,935.76-80,805.08-39,107.90

Finding the Fourth Proportional to 53,935.76, 80,805.08 and 39,107.90

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Solution

The fourth proportional to 53,935.76, 80,805.08 and 39,107.90 is: 58,590.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,935.76 : 80,805.08 = 39,107.90 : x
  2. Step 2: Convert to fraction form
    53,935.76/80,805.08 = 39,107.90/x
  3. Step 3: Cross multiply
    53,935.76x = 80,805.08 × 39,107.90
  4. Step 4: Simplify right side
    53,935.76x = 3,160,116,988.13
  5. Step 5: Solve for x
    x = 3,160,116,988.13/53,935.76
  6. Step 6: Final answer
    x = 58,590.39

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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.