Home / 112,828.60-169,278.27-67,898.98

Finding the Fourth Proportional to 112,828.60, 169,278.27 and 67,898.98

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Solution

The fourth proportional to 112,828.60, 169,278.27 and 67,898.98 is: 101,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,828.60 : 169,278.27 = 67,898.98 : x
  2. Step 2: Convert to fraction form
    112,828.60/169,278.27 = 67,898.98/x
  3. Step 3: Cross multiply
    112,828.60x = 169,278.27 × 67,898.98
  4. Step 4: Simplify right side
    112,828.60x = 11,493,821,869.16
  5. Step 5: Solve for x
    x = 11,493,821,869.16/112,828.60
  6. Step 6: Final answer
    x = 101,869.76

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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.