Home / 73,125.60-109,688.40-26,383.20

Finding the Fourth Proportional to 73,125.60, 109,688.40 and 26,383.20

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Solution

The fourth proportional to 73,125.60, 109,688.40 and 26,383.20 is: 39,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,125.60 : 109,688.40 = 26,383.20 : x
  2. Step 2: Convert to fraction form
    73,125.60/109,688.40 = 26,383.20/x
  3. Step 3: Cross multiply
    73,125.60x = 109,688.40 × 26,383.20
  4. Step 4: Simplify right side
    73,125.60x = 2,893,930,994.88
  5. Step 5: Solve for x
    x = 2,893,930,994.88/73,125.60
  6. Step 6: Final answer
    x = 39,574.80

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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.