Home / 125,087.42-187,641.46-40,845.71

Finding the Fourth Proportional to 125,087.42, 187,641.46 and 40,845.71

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Solution

The fourth proportional to 125,087.42, 187,641.46 and 40,845.71 is: 61,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,087.42 : 187,641.46 = 40,845.71 : x
  2. Step 2: Convert to fraction form
    125,087.42/187,641.46 = 40,845.71/x
  3. Step 3: Cross multiply
    125,087.42x = 187,641.46 × 40,845.71
  4. Step 4: Simplify right side
    125,087.42x = 7,664,349,179.30
  5. Step 5: Solve for x
    x = 7,664,349,179.30/125,087.42
  6. Step 6: Final answer
    x = 61,271.94

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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.