Home / 92,421.69-138,633.63-32,451.67

Finding the Fourth Proportional to 92,421.69, 138,633.63 and 32,451.67

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Solution

The fourth proportional to 92,421.69, 138,633.63 and 32,451.67 is: 48,677.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.69 : 138,633.63 = 32,451.67 : x
  2. Step 2: Convert to fraction form
    92,421.69/138,633.63 = 32,451.67/x
  3. Step 3: Cross multiply
    92,421.69x = 138,633.63 × 32,451.67
  4. Step 4: Simplify right side
    92,421.69x = 4,498,892,465.08
  5. Step 5: Solve for x
    x = 4,498,892,465.08/92,421.69
  6. Step 6: Final answer
    x = 48,677.89

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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.