Home / 52,780.60-78,998.10-41,030.20

Finding the Fourth Proportional to 52,780.60, 78,998.10 and 41,030.20

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Solution

The fourth proportional to 52,780.60, 78,998.10 and 41,030.20 is: 61,410.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,780.60 : 78,998.10 = 41,030.20 : x
  2. Step 2: Convert to fraction form
    52,780.60/78,998.10 = 41,030.20/x
  3. Step 3: Cross multiply
    52,780.60x = 78,998.10 × 41,030.20
  4. Step 4: Simplify right side
    52,780.60x = 3,241,307,842.62
  5. Step 5: Solve for x
    x = 3,241,307,842.62/52,780.60
  6. Step 6: Final answer
    x = 61,410.97

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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.