Home / 108,659.20-163,057.20-46,328.80

Finding the Fourth Proportional to 108,659.20, 163,057.20 and 46,328.80

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Solution

The fourth proportional to 108,659.20, 163,057.20 and 46,328.80 is: 69,522.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,659.20 : 163,057.20 = 46,328.80 : x
  2. Step 2: Convert to fraction form
    108,659.20/163,057.20 = 46,328.80/x
  3. Step 3: Cross multiply
    108,659.20x = 163,057.20 × 46,328.80
  4. Step 4: Simplify right side
    108,659.20x = 7,554,244,407.36
  5. Step 5: Solve for x
    x = 7,554,244,407.36/108,659.20
  6. Step 6: Final answer
    x = 69,522.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.