Home / 109,320.40-164,057.40-47,035.60

Finding the Fourth Proportional to 109,320.40, 164,057.40 and 47,035.60

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Solution

The fourth proportional to 109,320.40, 164,057.40 and 47,035.60 is: 70,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,320.40 : 164,057.40 = 47,035.60 : x
  2. Step 2: Convert to fraction form
    109,320.40/164,057.40 = 47,035.60/x
  3. Step 3: Cross multiply
    109,320.40x = 164,057.40 × 47,035.60
  4. Step 4: Simplify right side
    109,320.40x = 7,716,538,243.44
  5. Step 5: Solve for x
    x = 7,716,538,243.44/109,320.40
  6. Step 6: Final answer
    x = 70,586.44

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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.