Home / 77,229.40-115,798.21-23,905.58

Finding the Fourth Proportional to 77,229.40, 115,798.21 and 23,905.58

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Solution

The fourth proportional to 77,229.40, 115,798.21 and 23,905.58 is: 35,844.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,229.40 : 115,798.21 = 23,905.58 : x
  2. Step 2: Convert to fraction form
    77,229.40/115,798.21 = 23,905.58/x
  3. Step 3: Cross multiply
    77,229.40x = 115,798.21 × 23,905.58
  4. Step 4: Simplify right side
    77,229.40x = 2,768,223,385.62
  5. Step 5: Solve for x
    x = 2,768,223,385.62/77,229.40
  6. Step 6: Final answer
    x = 35,844.17

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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.