Home / 124,996.16-187,513.74-40,736.72

Finding the Fourth Proportional to 124,996.16, 187,513.74 and 40,736.72

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Solution

The fourth proportional to 124,996.16, 187,513.74 and 40,736.72 is: 61,111.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.16 : 187,513.74 = 40,736.72 : x
  2. Step 2: Convert to fraction form
    124,996.16/187,513.74 = 40,736.72/x
  3. Step 3: Cross multiply
    124,996.16x = 187,513.74 × 40,736.72
  4. Step 4: Simplify right side
    124,996.16x = 7,638,694,722.53
  5. Step 5: Solve for x
    x = 7,638,694,722.53/124,996.16
  6. Step 6: Final answer
    x = 61,111.44

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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.