Home / 43,172.28-64,753.74-11,585.52

Finding the Fourth Proportional to 43,172.28, 64,753.74 and 11,585.52

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Solution

The fourth proportional to 43,172.28, 64,753.74 and 11,585.52 is: 17,377.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,172.28 : 64,753.74 = 11,585.52 : x
  2. Step 2: Convert to fraction form
    43,172.28/64,753.74 = 11,585.52/x
  3. Step 3: Cross multiply
    43,172.28x = 64,753.74 × 11,585.52
  4. Step 4: Simplify right side
    43,172.28x = 750,205,749.84
  5. Step 5: Solve for x
    x = 750,205,749.84/43,172.28
  6. Step 6: Final answer
    x = 17,377.02

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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.