Home / 76,419.36-114,599.88-29,661.28

Finding the Fourth Proportional to 76,419.36, 114,599.88 and 29,661.28

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Solution

The fourth proportional to 76,419.36, 114,599.88 and 29,661.28 is: 44,480.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,419.36 : 114,599.88 = 29,661.28 : x
  2. Step 2: Convert to fraction form
    76,419.36/114,599.88 = 29,661.28/x
  3. Step 3: Cross multiply
    76,419.36x = 114,599.88 × 29,661.28
  4. Step 4: Simplify right side
    76,419.36x = 3,399,179,128.65
  5. Step 5: Solve for x
    x = 3,399,179,128.65/76,419.36
  6. Step 6: Final answer
    x = 44,480.60

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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.