Home / 118,600.54-163,669.95-64,884.38

Finding the Fourth Proportional to 118,600.54, 163,669.95 and 64,884.38

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Solution

The fourth proportional to 118,600.54, 163,669.95 and 64,884.38 is: 89,541.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,600.54 : 163,669.95 = 64,884.38 : x
  2. Step 2: Convert to fraction form
    118,600.54/163,669.95 = 64,884.38/x
  3. Step 3: Cross multiply
    118,600.54x = 163,669.95 × 64,884.38
  4. Step 4: Simplify right side
    118,600.54x = 10,619,622,412.03
  5. Step 5: Solve for x
    x = 10,619,622,412.03/118,600.54
  6. Step 6: Final answer
    x = 89,541.10

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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.