Home / 112,910.69-169,459.21-56,766.76

Finding the Fourth Proportional to 112,910.69, 169,459.21 and 56,766.76

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Solution

The fourth proportional to 112,910.69, 169,459.21 and 56,766.76 is: 85,196.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,910.69 : 169,459.21 = 56,766.76 : x
  2. Step 2: Convert to fraction form
    112,910.69/169,459.21 = 56,766.76/x
  3. Step 3: Cross multiply
    112,910.69x = 169,459.21 × 56,766.76
  4. Step 4: Simplify right side
    112,910.69x = 9,619,650,110.83
  5. Step 5: Solve for x
    x = 9,619,650,110.83/112,910.69
  6. Step 6: Final answer
    x = 85,196.98

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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.