Home / 65,822.20-98,733.30-61,415.80

Finding the Fourth Proportional to 65,822.20, 98,733.30 and 61,415.80

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Solution

The fourth proportional to 65,822.20, 98,733.30 and 61,415.80 is: 92,123.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.20 : 98,733.30 = 61,415.80 : x
  2. Step 2: Convert to fraction form
    65,822.20/98,733.30 = 61,415.80/x
  3. Step 3: Cross multiply
    65,822.20x = 98,733.30 × 61,415.80
  4. Step 4: Simplify right side
    65,822.20x = 6,063,784,606.14
  5. Step 5: Solve for x
    x = 6,063,784,606.14/65,822.20
  6. Step 6: Final answer
    x = 92,123.70

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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.