Home / 124,733.68-187,113.12-40,490.32

Finding the Fourth Proportional to 124,733.68, 187,113.12 and 40,490.32

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Solution

The fourth proportional to 124,733.68, 187,113.12 and 40,490.32 is: 60,739.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,733.68 : 187,113.12 = 40,490.32 : x
  2. Step 2: Convert to fraction form
    124,733.68/187,113.12 = 40,490.32/x
  3. Step 3: Cross multiply
    124,733.68x = 187,113.12 × 40,490.32
  4. Step 4: Simplify right side
    124,733.68x = 7,576,270,105.00
  5. Step 5: Solve for x
    x = 7,576,270,105.00/124,733.68
  6. Step 6: Final answer
    x = 60,739.57

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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.