Home / 88,421.25-122,033.67-56,657.82

Finding the Fourth Proportional to 88,421.25, 122,033.67 and 56,657.82

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Solution

The fourth proportional to 88,421.25, 122,033.67 and 56,657.82 is: 78,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,421.25 : 122,033.67 = 56,657.82 : x
  2. Step 2: Convert to fraction form
    88,421.25/122,033.67 = 56,657.82/x
  3. Step 3: Cross multiply
    88,421.25x = 122,033.67 × 56,657.82
  4. Step 4: Simplify right side
    88,421.25x = 6,914,161,708.80
  5. Step 5: Solve for x
    x = 6,914,161,708.80/88,421.25
  6. Step 6: Final answer
    x = 78,195.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.