Home / 67,253.49-100,406.52-51,374.79

Finding the Fourth Proportional to 67,253.49, 100,406.52 and 51,374.79

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Solution

The fourth proportional to 67,253.49, 100,406.52 and 51,374.79 is: 76,700.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,253.49 : 100,406.52 = 51,374.79 : x
  2. Step 2: Convert to fraction form
    67,253.49/100,406.52 = 51,374.79/x
  3. Step 3: Cross multiply
    67,253.49x = 100,406.52 × 51,374.79
  4. Step 4: Simplify right side
    67,253.49x = 5,158,363,879.63
  5. Step 5: Solve for x
    x = 5,158,363,879.63/67,253.49
  6. Step 6: Final answer
    x = 76,700.32

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.