Home / 109,948.80-164,928.60-57,460.80

Finding the Fourth Proportional to 109,948.80, 164,928.60 and 57,460.80

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Solution

The fourth proportional to 109,948.80, 164,928.60 and 57,460.80 is: 86,194.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,948.80 : 164,928.60 = 57,460.80 : x
  2. Step 2: Convert to fraction form
    109,948.80/164,928.60 = 57,460.80/x
  3. Step 3: Cross multiply
    109,948.80x = 164,928.60 × 57,460.80
  4. Step 4: Simplify right side
    109,948.80x = 9,476,929,298.88
  5. Step 5: Solve for x
    x = 9,476,929,298.88/109,948.80
  6. Step 6: Final answer
    x = 86,194.02

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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.