Home / 45,631.88-68,448-14,041.74

Finding the Fourth Proportional to 45,631.88, 68,448 and 14,041.74

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Solution

The fourth proportional to 45,631.88, 68,448 and 14,041.74 is: 21,062.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,631.88 : 68,448 = 14,041.74 : x
  2. Step 2: Convert to fraction form
    45,631.88/68,448 = 14,041.74/x
  3. Step 3: Cross multiply
    45,631.88x = 68,448 × 14,041.74
  4. Step 4: Simplify right side
    45,631.88x = 961,129,019.52
  5. Step 5: Solve for x
    x = 961,129,019.52/45,631.88
  6. Step 6: Final answer
    x = 21,062.67

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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.