Home / 118,534.38-163,581.84-64,816.26

Finding the Fourth Proportional to 118,534.38, 163,581.84 and 64,816.26

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Solution

The fourth proportional to 118,534.38, 163,581.84 and 64,816.26 is: 89,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,534.38 : 163,581.84 = 64,816.26 : x
  2. Step 2: Convert to fraction form
    118,534.38/163,581.84 = 64,816.26/x
  3. Step 3: Cross multiply
    118,534.38x = 163,581.84 × 64,816.26
  4. Step 4: Simplify right side
    118,534.38x = 10,602,763,072.72
  5. Step 5: Solve for x
    x = 10,602,763,072.72/118,534.38
  6. Step 6: Final answer
    x = 89,448.84

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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.