Home / 112,766.74-169,128.94-56,591.78

Finding the Fourth Proportional to 112,766.74, 169,128.94 and 56,591.78

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Solution

The fourth proportional to 112,766.74, 169,128.94 and 56,591.78 is: 84,877.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,766.74 : 169,128.94 = 56,591.78 : x
  2. Step 2: Convert to fraction form
    112,766.74/169,128.94 = 56,591.78/x
  3. Step 3: Cross multiply
    112,766.74x = 169,128.94 × 56,591.78
  4. Step 4: Simplify right side
    112,766.74x = 9,571,307,764.11
  5. Step 5: Solve for x
    x = 9,571,307,764.11/112,766.74
  6. Step 6: Final answer
    x = 84,877.05

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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.