Home / 101,827.72-152,742.70-30,750.96

Finding the Fourth Proportional to 101,827.72, 152,742.70 and 30,750.96

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Solution

The fourth proportional to 101,827.72, 152,742.70 and 30,750.96 is: 46,126.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,827.72 : 152,742.70 = 30,750.96 : x
  2. Step 2: Convert to fraction form
    101,827.72/152,742.70 = 30,750.96/x
  3. Step 3: Cross multiply
    101,827.72x = 152,742.70 × 30,750.96
  4. Step 4: Simplify right side
    101,827.72x = 4,696,984,657.99
  5. Step 5: Solve for x
    x = 4,696,984,657.99/101,827.72
  6. Step 6: Final answer
    x = 46,126.78

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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.