Home / 43,221.40-64,856.69-34,511.67

Finding the Fourth Proportional to 43,221.40, 64,856.69 and 34,511.67

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Solution

The fourth proportional to 43,221.40, 64,856.69 and 34,511.67 is: 51,787.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.40 : 64,856.69 = 34,511.67 : x
  2. Step 2: Convert to fraction form
    43,221.40/64,856.69 = 34,511.67/x
  3. Step 3: Cross multiply
    43,221.40x = 64,856.69 × 34,511.67
  4. Step 4: Simplify right side
    43,221.40x = 2,238,312,682.57
  5. Step 5: Solve for x
    x = 2,238,312,682.57/43,221.40
  6. Step 6: Final answer
    x = 51,787.14

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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.