Home / 124,943.91-187,415.72-40,703.94

Finding the Fourth Proportional to 124,943.91, 187,415.72 and 40,703.94

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Solution

The fourth proportional to 124,943.91, 187,415.72 and 40,703.94 is: 61,055.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,943.91 : 187,415.72 = 40,703.94 : x
  2. Step 2: Convert to fraction form
    124,943.91/187,415.72 = 40,703.94/x
  3. Step 3: Cross multiply
    124,943.91x = 187,415.72 × 40,703.94
  4. Step 4: Simplify right side
    124,943.91x = 7,628,558,221.94
  5. Step 5: Solve for x
    x = 7,628,558,221.94/124,943.91
  6. Step 6: Final answer
    x = 61,055.86

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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.