Home / 114,971.18-172,499.52-51,772.28

Finding the Fourth Proportional to 114,971.18, 172,499.52 and 51,772.28

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Solution

The fourth proportional to 114,971.18, 172,499.52 and 51,772.28 is: 77,677.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,971.18 : 172,499.52 = 51,772.28 : x
  2. Step 2: Convert to fraction form
    114,971.18/172,499.52 = 51,772.28/x
  3. Step 3: Cross multiply
    114,971.18x = 172,499.52 × 51,772.28
  4. Step 4: Simplify right side
    114,971.18x = 8,930,693,449.31
  5. Step 5: Solve for x
    x = 8,930,693,449.31/114,971.18
  6. Step 6: Final answer
    x = 77,677.67

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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.