Home / 53,841.14-80,762.04-18,780.83

Finding the Fourth Proportional to 53,841.14, 80,762.04 and 18,780.83

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Solution

The fourth proportional to 53,841.14, 80,762.04 and 18,780.83 is: 28,171.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,841.14 : 80,762.04 = 18,780.83 : x
  2. Step 2: Convert to fraction form
    53,841.14/80,762.04 = 18,780.83/x
  3. Step 3: Cross multiply
    53,841.14x = 80,762.04 × 18,780.83
  4. Step 4: Simplify right side
    53,841.14x = 1,516,778,143.69
  5. Step 5: Solve for x
    x = 1,516,778,143.69/53,841.14
  6. Step 6: Final answer
    x = 28,171.36

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1.5x scale

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.