Home / 78,725.36-118,094.52-34,324.40

Finding the Fourth Proportional to 78,725.36, 118,094.52 and 34,324.40

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Solution

The fourth proportional to 78,725.36, 118,094.52 and 34,324.40 is: 51,489.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,725.36 : 118,094.52 = 34,324.40 : x
  2. Step 2: Convert to fraction form
    78,725.36/118,094.52 = 34,324.40/x
  3. Step 3: Cross multiply
    78,725.36x = 118,094.52 × 34,324.40
  4. Step 4: Simplify right side
    78,725.36x = 4,053,523,542.29
  5. Step 5: Solve for x
    x = 4,053,523,542.29/78,725.36
  6. Step 6: Final answer
    x = 51,489.43

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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.