Home / 82,928.60-124,405.20-26,750.24

Finding the Fourth Proportional to 82,928.60, 124,405.20 and 26,750.24

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Solution

The fourth proportional to 82,928.60, 124,405.20 and 26,750.24 is: 40,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,928.60 : 124,405.20 = 26,750.24 : x
  2. Step 2: Convert to fraction form
    82,928.60/124,405.20 = 26,750.24/x
  3. Step 3: Cross multiply
    82,928.60x = 124,405.20 × 26,750.24
  4. Step 4: Simplify right side
    82,928.60x = 3,327,868,957.25
  5. Step 5: Solve for x
    x = 3,327,868,957.25/82,928.60
  6. Step 6: Final answer
    x = 40,129.33

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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.