Home / 125,211.08-187,733.57-40,941.72

Finding the Fourth Proportional to 125,211.08, 187,733.57 and 40,941.72

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Solution

The fourth proportional to 125,211.08, 187,733.57 and 40,941.72 is: 61,385.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,211.08 : 187,733.57 = 40,941.72 : x
  2. Step 2: Convert to fraction form
    125,211.08/187,733.57 = 40,941.72/x
  3. Step 3: Cross multiply
    125,211.08x = 187,733.57 × 40,941.72
  4. Step 4: Simplify right side
    125,211.08x = 7,686,135,359.89
  5. Step 5: Solve for x
    x = 7,686,135,359.89/125,211.08
  6. Step 6: Final answer
    x = 61,385.42

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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.