Home / 124,961.54-187,423.05-40,721.49

Finding the Fourth Proportional to 124,961.54, 187,423.05 and 40,721.49

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Solution

The fourth proportional to 124,961.54, 187,423.05 and 40,721.49 is: 61,075.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,961.54 : 187,423.05 = 40,721.49 : x
  2. Step 2: Convert to fraction form
    124,961.54/187,423.05 = 40,721.49/x
  3. Step 3: Cross multiply
    124,961.54x = 187,423.05 × 40,721.49
  4. Step 4: Simplify right side
    124,961.54x = 7,632,145,652.74
  5. Step 5: Solve for x
    x = 7,632,145,652.74/124,961.54
  6. Step 6: Final answer
    x = 61,075.96

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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.