Home / 53,740.40-80,610.60-34,041.20

Finding the Fourth Proportional to 53,740.40, 80,610.60 and 34,041.20

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Solution

The fourth proportional to 53,740.40, 80,610.60 and 34,041.20 is: 51,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,740.40 : 80,610.60 = 34,041.20 : x
  2. Step 2: Convert to fraction form
    53,740.40/80,610.60 = 34,041.20/x
  3. Step 3: Cross multiply
    53,740.40x = 80,610.60 × 34,041.20
  4. Step 4: Simplify right side
    53,740.40x = 2,744,081,556.72
  5. Step 5: Solve for x
    x = 2,744,081,556.72/53,740.40
  6. Step 6: Final answer
    x = 51,061.80

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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.