Home / 91,175.42-125,671.47-60,949.72

Finding the Fourth Proportional to 91,175.42, 125,671.47 and 60,949.72

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Solution

The fourth proportional to 91,175.42, 125,671.47 and 60,949.72 is: 84,009.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,175.42 : 125,671.47 = 60,949.72 : x
  2. Step 2: Convert to fraction form
    91,175.42/125,671.47 = 60,949.72/x
  3. Step 3: Cross multiply
    91,175.42x = 125,671.47 × 60,949.72
  4. Step 4: Simplify right side
    91,175.42x = 7,659,640,644.38
  5. Step 5: Solve for x
    x = 7,659,640,644.38/91,175.42
  6. Step 6: Final answer
    x = 84,009.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.