Home / 43,113.60-64,679.04-19,746.72

Finding the Fourth Proportional to 43,113.60, 64,679.04 and 19,746.72

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Solution

The fourth proportional to 43,113.60, 64,679.04 and 19,746.72 is: 29,624.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,113.60 : 64,679.04 = 19,746.72 : x
  2. Step 2: Convert to fraction form
    43,113.60/64,679.04 = 19,746.72/x
  3. Step 3: Cross multiply
    43,113.60x = 64,679.04 × 19,746.72
  4. Step 4: Simplify right side
    43,113.60x = 1,277,198,892.75
  5. Step 5: Solve for x
    x = 1,277,198,892.75/43,113.60
  6. Step 6: Final answer
    x = 29,624.04

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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.