Home / 124,996.13-187,513.75-40,736.72

Finding the Fourth Proportional to 124,996.13, 187,513.75 and 40,736.72

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Solution

The fourth proportional to 124,996.13, 187,513.75 and 40,736.72 is: 61,111.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,996.13 : 187,513.75 = 40,736.72 : x
  2. Step 2: Convert to fraction form
    124,996.13/187,513.75 = 40,736.72/x
  3. Step 3: Cross multiply
    124,996.13x = 187,513.75 × 40,736.72
  4. Step 4: Simplify right side
    124,996.13x = 7,638,694,090.49
  5. Step 5: Solve for x
    x = 7,638,694,090.49/124,996.13
  6. Step 6: Final answer
    x = 61,111.45

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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.