Home / 118,397.73-163,389.44-64,683.64

Finding the Fourth Proportional to 118,397.73, 163,389.44 and 64,683.64

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Solution

The fourth proportional to 118,397.73, 163,389.44 and 64,683.64 is: 89,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,397.73 : 163,389.44 = 64,683.64 : x
  2. Step 2: Convert to fraction form
    118,397.73/163,389.44 = 64,683.64/x
  3. Step 3: Cross multiply
    118,397.73x = 163,389.44 × 64,683.64
  4. Step 4: Simplify right side
    118,397.73x = 10,568,623,716.76
  5. Step 5: Solve for x
    x = 10,568,623,716.76/118,397.73
  6. Step 6: Final answer
    x = 89,263.74

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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.