Home / 124,748.68-187,135.62-40,505.32

Finding the Fourth Proportional to 124,748.68, 187,135.62 and 40,505.32

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Solution

The fourth proportional to 124,748.68, 187,135.62 and 40,505.32 is: 60,762.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,748.68 : 187,135.62 = 40,505.32 : x
  2. Step 2: Convert to fraction form
    124,748.68/187,135.62 = 40,505.32/x
  3. Step 3: Cross multiply
    124,748.68x = 187,135.62 × 40,505.32
  4. Step 4: Simplify right side
    124,748.68x = 7,579,988,171.50
  5. Step 5: Solve for x
    x = 7,579,988,171.50/124,748.68
  6. Step 6: Final answer
    x = 60,762.07

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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.