Home / 118,473.81-163,493.86-64,759.04

Finding the Fourth Proportional to 118,473.81, 163,493.86 and 64,759.04

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Solution

The fourth proportional to 118,473.81, 163,493.86 and 64,759.04 is: 89,367.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,473.81 : 163,493.86 = 64,759.04 : x
  2. Step 2: Convert to fraction form
    118,473.81/163,493.86 = 64,759.04/x
  3. Step 3: Cross multiply
    118,473.81x = 163,493.86 × 64,759.04
  4. Step 4: Simplify right side
    118,473.81x = 10,587,704,602.03
  5. Step 5: Solve for x
    x = 10,587,704,602.03/118,473.81
  6. Step 6: Final answer
    x = 89,367.47

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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.