Home / 53,901.68-80,864.04-18,842.48

Finding the Fourth Proportional to 53,901.68, 80,864.04 and 18,842.48

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Solution

The fourth proportional to 53,901.68, 80,864.04 and 18,842.48 is: 28,267.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901.68 : 80,864.04 = 18,842.48 : x
  2. Step 2: Convert to fraction form
    53,901.68/80,864.04 = 18,842.48/x
  3. Step 3: Cross multiply
    53,901.68x = 80,864.04 × 18,842.48
  4. Step 4: Simplify right side
    53,901.68x = 1,523,679,056.42
  5. Step 5: Solve for x
    x = 1,523,679,056.42/53,901.68
  6. Step 6: Final answer
    x = 28,267.75

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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.