Home / 43,170.28-64,750.74-11,583.52

Finding the Fourth Proportional to 43,170.28, 64,750.74 and 11,583.52

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Solution

The fourth proportional to 43,170.28, 64,750.74 and 11,583.52 is: 17,374.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,170.28 : 64,750.74 = 11,583.52 : x
  2. Step 2: Convert to fraction form
    43,170.28/64,750.74 = 11,583.52/x
  3. Step 3: Cross multiply
    43,170.28x = 64,750.74 × 11,583.52
  4. Step 4: Simplify right side
    43,170.28x = 750,041,491.80
  5. Step 5: Solve for x
    x = 750,041,491.80/43,170.28
  6. Step 6: Final answer
    x = 17,374.02

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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.