Home / 53,800.20-80,711.10-16,362.60

Finding the Fourth Proportional to 53,800.20, 80,711.10 and 16,362.60

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Solution

The fourth proportional to 53,800.20, 80,711.10 and 16,362.60 is: 24,547.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,800.20 : 80,711.10 = 16,362.60 : x
  2. Step 2: Convert to fraction form
    53,800.20/80,711.10 = 16,362.60/x
  3. Step 3: Cross multiply
    53,800.20x = 80,711.10 × 16,362.60
  4. Step 4: Simplify right side
    53,800.20x = 1,320,643,444.86
  5. Step 5: Solve for x
    x = 1,320,643,444.86/53,800.20
  6. Step 6: Final answer
    x = 24,547.18

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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.