Home / 105,408.24-158,133.54-38,848.74

Finding the Fourth Proportional to 105,408.24, 158,133.54 and 38,848.74

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Solution

The fourth proportional to 105,408.24, 158,133.54 and 38,848.74 is: 58,280.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,408.24 : 158,133.54 = 38,848.74 : x
  2. Step 2: Convert to fraction form
    105,408.24/158,133.54 = 38,848.74/x
  3. Step 3: Cross multiply
    105,408.24x = 158,133.54 × 38,848.74
  4. Step 4: Simplify right side
    105,408.24x = 6,143,288,780.74
  5. Step 5: Solve for x
    x = 6,143,288,780.74/105,408.24
  6. Step 6: Final answer
    x = 58,280.92

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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.