Home / 78,989.25-118,504.41-23,585.25

Finding the Fourth Proportional to 78,989.25, 118,504.41 and 23,585.25

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Solution

The fourth proportional to 78,989.25, 118,504.41 and 23,585.25 is: 35,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,989.25 : 118,504.41 = 23,585.25 : x
  2. Step 2: Convert to fraction form
    78,989.25/118,504.41 = 23,585.25/x
  3. Step 3: Cross multiply
    78,989.25x = 118,504.41 × 23,585.25
  4. Step 4: Simplify right side
    78,989.25x = 2,794,956,135.95
  5. Step 5: Solve for x
    x = 2,794,956,135.95/78,989.25
  6. Step 6: Final answer
    x = 35,384.01

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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.