Home / 125,513.40-173,207.52-68,924.64

Finding the Fourth Proportional to 125,513.40, 173,207.52 and 68,924.64

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Solution

The fourth proportional to 125,513.40, 173,207.52 and 68,924.64 is: 95,115.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,513.40 : 173,207.52 = 68,924.64 : x
  2. Step 2: Convert to fraction form
    125,513.40/173,207.52 = 68,924.64/x
  3. Step 3: Cross multiply
    125,513.40x = 173,207.52 × 68,924.64
  4. Step 4: Simplify right side
    125,513.40x = 11,938,265,961.29
  5. Step 5: Solve for x
    x = 11,938,265,961.29/125,513.40
  6. Step 6: Final answer
    x = 95,115.47

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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.