Home / 125,725.25-188,614.30-36,971.32

Finding the Fourth Proportional to 125,725.25, 188,614.30 and 36,971.32

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Solution

The fourth proportional to 125,725.25, 188,614.30 and 36,971.32 is: 55,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,725.25 : 188,614.30 = 36,971.32 : x
  2. Step 2: Convert to fraction form
    125,725.25/188,614.30 = 36,971.32/x
  3. Step 3: Cross multiply
    125,725.25x = 188,614.30 × 36,971.32
  4. Step 4: Simplify right side
    125,725.25x = 6,973,319,641.88
  5. Step 5: Solve for x
    x = 6,973,319,641.88/125,725.25
  6. Step 6: Final answer
    x = 55,464.75

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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.