Home / 118,539.70-163,584.76-64,824.75

Finding the Fourth Proportional to 118,539.70, 163,584.76 and 64,824.75

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Solution

The fourth proportional to 118,539.70, 163,584.76 and 64,824.75 is: 89,458.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,539.70 : 163,584.76 = 64,824.75 : x
  2. Step 2: Convert to fraction form
    118,539.70/163,584.76 = 64,824.75/x
  3. Step 3: Cross multiply
    118,539.70x = 163,584.76 × 64,824.75
  4. Step 4: Simplify right side
    118,539.70x = 10,604,341,170.81
  5. Step 5: Solve for x
    x = 10,604,341,170.81/118,539.70
  6. Step 6: Final answer
    x = 89,458.14

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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.