Home / 43,730.08-65,581.12-14,141.60

Finding the Fourth Proportional to 43,730.08, 65,581.12 and 14,141.60

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Solution

The fourth proportional to 43,730.08, 65,581.12 and 14,141.60 is: 21,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,730.08 : 65,581.12 = 14,141.60 : x
  2. Step 2: Convert to fraction form
    43,730.08/65,581.12 = 14,141.60/x
  3. Step 3: Cross multiply
    43,730.08x = 65,581.12 × 14,141.60
  4. Step 4: Simplify right side
    43,730.08x = 927,421,966.59
  5. Step 5: Solve for x
    x = 927,421,966.59/43,730.08
  6. Step 6: Final answer
    x = 21,207.87

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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.