Home / 125,009.50-187,278.54-61,755.52

Finding the Fourth Proportional to 125,009.50, 187,278.54 and 61,755.52

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Solution

The fourth proportional to 125,009.50, 187,278.54 and 61,755.52 is: 92,516.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,009.50 : 187,278.54 = 61,755.52 : x
  2. Step 2: Convert to fraction form
    125,009.50/187,278.54 = 61,755.52/x
  3. Step 3: Cross multiply
    125,009.50x = 187,278.54 × 61,755.52
  4. Step 4: Simplify right side
    125,009.50x = 11,565,483,622.54
  5. Step 5: Solve for x
    x = 11,565,483,622.54/125,009.50
  6. Step 6: Final answer
    x = 92,516.84

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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.