Home / 77,016.13-115,537.32-34,337.04

Finding the Fourth Proportional to 77,016.13, 115,537.32 and 34,337.04

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Solution

The fourth proportional to 77,016.13, 115,537.32 and 34,337.04 is: 51,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,016.13 : 115,537.32 = 34,337.04 : x
  2. Step 2: Convert to fraction form
    77,016.13/115,537.32 = 34,337.04/x
  3. Step 3: Cross multiply
    77,016.13x = 115,537.32 × 34,337.04
  4. Step 4: Simplify right side
    77,016.13x = 3,967,209,707.10
  5. Step 5: Solve for x
    x = 3,967,209,707.10/77,016.13
  6. Step 6: Final answer
    x = 51,511.42

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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.