Home / 77,483.12-116,231.16-27,590.36

Finding the Fourth Proportional to 77,483.12, 116,231.16 and 27,590.36

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Solution

The fourth proportional to 77,483.12, 116,231.16 and 27,590.36 is: 41,387.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,483.12 : 116,231.16 = 27,590.36 : x
  2. Step 2: Convert to fraction form
    77,483.12/116,231.16 = 27,590.36/x
  3. Step 3: Cross multiply
    77,483.12x = 116,231.16 × 27,590.36
  4. Step 4: Simplify right side
    77,483.12x = 3,206,859,547.62
  5. Step 5: Solve for x
    x = 3,206,859,547.62/77,483.12
  6. Step 6: Final answer
    x = 41,387.85

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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.