Home / 108,356-149,531.64-60,606.28

Finding the Fourth Proportional to 108,356, 149,531.64 and 60,606.28

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Solution

The fourth proportional to 108,356, 149,531.64 and 60,606.28 is: 83,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,356 : 149,531.64 = 60,606.28 : x
  2. Step 2: Convert to fraction form
    108,356/149,531.64 = 60,606.28/x
  3. Step 3: Cross multiply
    108,356x = 149,531.64 × 60,606.28
  4. Step 4: Simplify right side
    108,356x = 9,062,556,442.70
  5. Step 5: Solve for x
    x = 9,062,556,442.70/108,356
  6. Step 6: Final answer
    x = 83,636.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.