Home / 77,379.18-116,078.28-29,995.08

Finding the Fourth Proportional to 77,379.18, 116,078.28 and 29,995.08

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Solution

The fourth proportional to 77,379.18, 116,078.28 and 29,995.08 is: 44,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,379.18 : 116,078.28 = 29,995.08 : x
  2. Step 2: Convert to fraction form
    77,379.18/116,078.28 = 29,995.08/x
  3. Step 3: Cross multiply
    77,379.18x = 116,078.28 × 29,995.08
  4. Step 4: Simplify right side
    77,379.18x = 3,481,777,294.86
  5. Step 5: Solve for x
    x = 3,481,777,294.86/77,379.18
  6. Step 6: Final answer
    x = 44,996.31

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1.5x scale

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.