Home / 105,127.92-157,712.63-38,568.60

Finding the Fourth Proportional to 105,127.92, 157,712.63 and 38,568.60

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Solution

The fourth proportional to 105,127.92, 157,712.63 and 38,568.60 is: 57,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,127.92 : 157,712.63 = 38,568.60 : x
  2. Step 2: Convert to fraction form
    105,127.92/157,712.63 = 38,568.60/x
  3. Step 3: Cross multiply
    105,127.92x = 157,712.63 × 38,568.60
  4. Step 4: Simplify right side
    105,127.92x = 6,082,755,148.58
  5. Step 5: Solve for x
    x = 6,082,755,148.58/105,127.92
  6. Step 6: Final answer
    x = 57,860.51

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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.