Home / 77,973.81-116,957.97-28,042.77

Finding the Fourth Proportional to 77,973.81, 116,957.97 and 28,042.77

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Solution

The fourth proportional to 77,973.81, 116,957.97 and 28,042.77 is: 42,063.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,973.81 : 116,957.97 = 28,042.77 : x
  2. Step 2: Convert to fraction form
    77,973.81/116,957.97 = 28,042.77/x
  3. Step 3: Cross multiply
    77,973.81x = 116,957.97 × 28,042.77
  4. Step 4: Simplify right side
    77,973.81x = 3,279,825,452.38
  5. Step 5: Solve for x
    x = 3,279,825,452.38/77,973.81
  6. Step 6: Final answer
    x = 42,063.17

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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.