Home / 51,909.72-77,855.76-14,473.53

Finding the Fourth Proportional to 51,909.72, 77,855.76 and 14,473.53

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Solution

The fourth proportional to 51,909.72, 77,855.76 and 14,473.53 is: 21,707.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,909.72 : 77,855.76 = 14,473.53 : x
  2. Step 2: Convert to fraction form
    51,909.72/77,855.76 = 14,473.53/x
  3. Step 3: Cross multiply
    51,909.72x = 77,855.76 × 14,473.53
  4. Step 4: Simplify right side
    51,909.72x = 1,126,847,678.03
  5. Step 5: Solve for x
    x = 1,126,847,678.03/51,909.72
  6. Step 6: Final answer
    x = 21,707.84

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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.