Home / 77,814.91-116,730.87-27,888.13

Finding the Fourth Proportional to 77,814.91, 116,730.87 and 27,888.13

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Solution

The fourth proportional to 77,814.91, 116,730.87 and 27,888.13 is: 41,835.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,814.91 : 116,730.87 = 27,888.13 : x
  2. Step 2: Convert to fraction form
    77,814.91/116,730.87 = 27,888.13/x
  3. Step 3: Cross multiply
    77,814.91x = 116,730.87 × 27,888.13
  4. Step 4: Simplify right side
    77,814.91x = 3,255,405,677.57
  5. Step 5: Solve for x
    x = 3,255,405,677.57/77,814.91
  6. Step 6: Final answer
    x = 41,835.24

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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.