Home / 53,909.04-80,900.46-18,848.74

Finding the Fourth Proportional to 53,909.04, 80,900.46 and 18,848.74

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Solution

The fourth proportional to 53,909.04, 80,900.46 and 18,848.74 is: 28,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,909.04 : 80,900.46 = 18,848.74 : x
  2. Step 2: Convert to fraction form
    53,909.04/80,900.46 = 18,848.74/x
  3. Step 3: Cross multiply
    53,909.04x = 80,900.46 × 18,848.74
  4. Step 4: Simplify right side
    53,909.04x = 1,524,871,736.42
  5. Step 5: Solve for x
    x = 1,524,871,736.42/53,909.04
  6. Step 6: Final answer
    x = 28,286.01

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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.