Home / 109,927.60-164,918.40-31,040.80

Finding the Fourth Proportional to 109,927.60, 164,918.40 and 31,040.80

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Solution

The fourth proportional to 109,927.60, 164,918.40 and 31,040.80 is: 46,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,927.60 : 164,918.40 = 31,040.80 : x
  2. Step 2: Convert to fraction form
    109,927.60/164,918.40 = 31,040.80/x
  3. Step 3: Cross multiply
    109,927.60x = 164,918.40 × 31,040.80
  4. Step 4: Simplify right side
    109,927.60x = 5,119,199,070.72
  5. Step 5: Solve for x
    x = 5,119,199,070.72/109,927.60
  6. Step 6: Final answer
    x = 46,568.82

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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.