Home / 118,428.55-177,621.04-51,856.27

Finding the Fourth Proportional to 118,428.55, 177,621.04 and 51,856.27

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Solution

The fourth proportional to 118,428.55, 177,621.04 and 51,856.27 is: 77,774.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,428.55 : 177,621.04 = 51,856.27 : x
  2. Step 2: Convert to fraction form
    118,428.55/177,621.04 = 51,856.27/x
  3. Step 3: Cross multiply
    118,428.55x = 177,621.04 × 51,856.27
  4. Step 4: Simplify right side
    118,428.55x = 9,210,764,607.92
  5. Step 5: Solve for x
    x = 9,210,764,607.92/118,428.55
  6. Step 6: Final answer
    x = 77,774.87

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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.