Home / 109,947.60-164,948.40-31,060.80

Finding the Fourth Proportional to 109,947.60, 164,948.40 and 31,060.80

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Solution

The fourth proportional to 109,947.60, 164,948.40 and 31,060.80 is: 46,598.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,947.60 : 164,948.40 = 31,060.80 : x
  2. Step 2: Convert to fraction form
    109,947.60/164,948.40 = 31,060.80/x
  3. Step 3: Cross multiply
    109,947.60x = 164,948.40 × 31,060.80
  4. Step 4: Simplify right side
    109,947.60x = 5,123,429,262.72
  5. Step 5: Solve for x
    x = 5,123,429,262.72/109,947.60
  6. Step 6: Final answer
    x = 46,598.83

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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.