Home / 74,468.30-111,639.65-32,316.62

Finding the Fourth Proportional to 74,468.30, 111,639.65 and 32,316.62

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Solution

The fourth proportional to 74,468.30, 111,639.65 and 32,316.62 is: 48,447.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,468.30 : 111,639.65 = 32,316.62 : x
  2. Step 2: Convert to fraction form
    74,468.30/111,639.65 = 32,316.62/x
  3. Step 3: Cross multiply
    74,468.30x = 111,639.65 × 32,316.62
  4. Step 4: Simplify right side
    74,468.30x = 3,607,815,426.20
  5. Step 5: Solve for x
    x = 3,607,815,426.20/74,468.30
  6. Step 6: Final answer
    x = 48,447.67

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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.