Home / 45,437.58-68,167.14-14,272.86

Finding the Fourth Proportional to 45,437.58, 68,167.14 and 14,272.86

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Solution

The fourth proportional to 45,437.58, 68,167.14 and 14,272.86 is: 21,412.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437.58 : 68,167.14 = 14,272.86 : x
  2. Step 2: Convert to fraction form
    45,437.58/68,167.14 = 14,272.86/x
  3. Step 3: Cross multiply
    45,437.58x = 68,167.14 × 14,272.86
  4. Step 4: Simplify right side
    45,437.58x = 972,940,045.82
  5. Step 5: Solve for x
    x = 972,940,045.82/45,437.58
  6. Step 6: Final answer
    x = 21,412.67

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1.5x scale

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.