Home / 105,390.16-158,087.30-38,796.01

Finding the Fourth Proportional to 105,390.16, 158,087.30 and 38,796.01

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Solution

The fourth proportional to 105,390.16, 158,087.30 and 38,796.01 is: 58,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,390.16 : 158,087.30 = 38,796.01 : x
  2. Step 2: Convert to fraction form
    105,390.16/158,087.30 = 38,796.01/x
  3. Step 3: Cross multiply
    105,390.16x = 158,087.30 × 38,796.01
  4. Step 4: Simplify right side
    105,390.16x = 6,133,156,771.72
  5. Step 5: Solve for x
    x = 6,133,156,771.72/105,390.16
  6. Step 6: Final answer
    x = 58,194.77

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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.