Home / 76,019.20-114,047.36-53,573.66

Finding the Fourth Proportional to 76,019.20, 114,047.36 and 53,573.66

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Solution

The fourth proportional to 76,019.20, 114,047.36 and 53,573.66 is: 80,373.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,019.20 : 114,047.36 = 53,573.66 : x
  2. Step 2: Convert to fraction form
    76,019.20/114,047.36 = 53,573.66/x
  3. Step 3: Cross multiply
    76,019.20x = 114,047.36 × 53,573.66
  4. Step 4: Simplify right side
    76,019.20x = 6,109,934,488.54
  5. Step 5: Solve for x
    x = 6,109,934,488.54/76,019.20
  6. Step 6: Final answer
    x = 80,373.57

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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.