Home / 118,533.28-163,591.30-67,564.32

Finding the Fourth Proportional to 118,533.28, 163,591.30 and 67,564.32

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Solution

The fourth proportional to 118,533.28, 163,591.30 and 67,564.32 is: 93,247.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,533.28 : 163,591.30 = 67,564.32 : x
  2. Step 2: Convert to fraction form
    118,533.28/163,591.30 = 67,564.32/x
  3. Step 3: Cross multiply
    118,533.28x = 163,591.30 × 67,564.32
  4. Step 4: Simplify right side
    118,533.28x = 11,052,934,942.42
  5. Step 5: Solve for x
    x = 11,052,934,942.42/118,533.28
  6. Step 6: Final answer
    x = 93,247.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.