Home / 124,942.79-187,414.02-40,702.81

Finding the Fourth Proportional to 124,942.79, 187,414.02 and 40,702.81

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Solution

The fourth proportional to 124,942.79, 187,414.02 and 40,702.81 is: 61,054.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,942.79 : 187,414.02 = 40,702.81 : x
  2. Step 2: Convert to fraction form
    124,942.79/187,414.02 = 40,702.81/x
  3. Step 3: Cross multiply
    124,942.79x = 187,414.02 × 40,702.81
  4. Step 4: Simplify right side
    124,942.79x = 7,628,276,310.33
  5. Step 5: Solve for x
    x = 7,628,276,310.33/124,942.79
  6. Step 6: Final answer
    x = 61,054.15

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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.