Home / 125,970.11-188,953.98-51,072.44

Finding the Fourth Proportional to 125,970.11, 188,953.98 and 51,072.44

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Solution

The fourth proportional to 125,970.11, 188,953.98 and 51,072.44 is: 76,608.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,970.11 : 188,953.98 = 51,072.44 : x
  2. Step 2: Convert to fraction form
    125,970.11/188,953.98 = 51,072.44/x
  3. Step 3: Cross multiply
    125,970.11x = 188,953.98 × 51,072.44
  4. Step 4: Simplify right side
    125,970.11x = 9,650,341,278.70
  5. Step 5: Solve for x
    x = 9,650,341,278.70/125,970.11
  6. Step 6: Final answer
    x = 76,608.19

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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.