Home / 43,114.26-64,678.68-19,742.52

Finding the Fourth Proportional to 43,114.26, 64,678.68 and 19,742.52

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Solution

The fourth proportional to 43,114.26, 64,678.68 and 19,742.52 is: 29,617.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,114.26 : 64,678.68 = 19,742.52 : x
  2. Step 2: Convert to fraction form
    43,114.26/64,678.68 = 19,742.52/x
  3. Step 3: Cross multiply
    43,114.26x = 64,678.68 × 19,742.52
  4. Step 4: Simplify right side
    43,114.26x = 1,276,920,133.47
  5. Step 5: Solve for x
    x = 1,276,920,133.47/43,114.26
  6. Step 6: Final answer
    x = 29,617.12

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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.