Home / 105,127.92-157,712.62-38,568.66

Finding the Fourth Proportional to 105,127.92, 157,712.62 and 38,568.66

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Solution

The fourth proportional to 105,127.92, 157,712.62 and 38,568.66 is: 57,860.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,127.92 : 157,712.62 = 38,568.66 : x
  2. Step 2: Convert to fraction form
    105,127.92/157,712.62 = 38,568.66/x
  3. Step 3: Cross multiply
    105,127.92x = 157,712.62 × 38,568.66
  4. Step 4: Simplify right side
    105,127.92x = 6,082,764,418.49
  5. Step 5: Solve for x
    x = 6,082,764,418.49/105,127.92
  6. Step 6: Final answer
    x = 57,860.60

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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.