Home / 67,416.30-100,966.77-53,281.46

Finding the Fourth Proportional to 67,416.30, 100,966.77 and 53,281.46

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Solution

The fourth proportional to 67,416.30, 100,966.77 and 53,281.46 is: 79,797.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,416.30 : 100,966.77 = 53,281.46 : x
  2. Step 2: Convert to fraction form
    67,416.30/100,966.77 = 53,281.46/x
  3. Step 3: Cross multiply
    67,416.30x = 100,966.77 × 53,281.46
  4. Step 4: Simplify right side
    67,416.30x = 5,379,657,169.50
  5. Step 5: Solve for x
    x = 5,379,657,169.50/67,416.30
  6. Step 6: Final answer
    x = 79,797.57

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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.