Home / 105,103.75-157,524.41-52,528.27

Finding the Fourth Proportional to 105,103.75, 157,524.41 and 52,528.27

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Solution

The fourth proportional to 105,103.75, 157,524.41 and 52,528.27 is: 78,726.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,103.75 : 157,524.41 = 52,528.27 : x
  2. Step 2: Convert to fraction form
    105,103.75/157,524.41 = 52,528.27/x
  3. Step 3: Cross multiply
    105,103.75x = 157,524.41 × 52,528.27
  4. Step 4: Simplify right side
    105,103.75x = 8,274,484,740.07
  5. Step 5: Solve for x
    x = 8,274,484,740.07/105,103.75
  6. Step 6: Final answer
    x = 78,726.83

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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.