Home / 66,898.41-100,360.14-54,526.83

Finding the Fourth Proportional to 66,898.41, 100,360.14 and 54,526.83

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Solution

The fourth proportional to 66,898.41, 100,360.14 and 54,526.83 is: 81,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.41 : 100,360.14 = 54,526.83 : x
  2. Step 2: Convert to fraction form
    66,898.41/100,360.14 = 54,526.83/x
  3. Step 3: Cross multiply
    66,898.41x = 100,360.14 × 54,526.83
  4. Step 4: Simplify right side
    66,898.41x = 5,472,320,292.56
  5. Step 5: Solve for x
    x = 5,472,320,292.56/66,898.41
  6. Step 6: Final answer
    x = 81,800.45

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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.