Home / 109,932.60-164,925.90-31,045.80

Finding the Fourth Proportional to 109,932.60, 164,925.90 and 31,045.80

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Solution

The fourth proportional to 109,932.60, 164,925.90 and 31,045.80 is: 46,576.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,932.60 : 164,925.90 = 31,045.80 : x
  2. Step 2: Convert to fraction form
    109,932.60/164,925.90 = 31,045.80/x
  3. Step 3: Cross multiply
    109,932.60x = 164,925.90 × 31,045.80
  4. Step 4: Simplify right side
    109,932.60x = 5,120,256,506.22
  5. Step 5: Solve for x
    x = 5,120,256,506.22/109,932.60
  6. Step 6: Final answer
    x = 46,576.33

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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.