Home / 108,918.36-163,399.41-49,738.14

Finding the Fourth Proportional to 108,918.36, 163,399.41 and 49,738.14

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Solution

The fourth proportional to 108,918.36, 163,399.41 and 49,738.14 is: 74,617.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,918.36 : 163,399.41 = 49,738.14 : x
  2. Step 2: Convert to fraction form
    108,918.36/163,399.41 = 49,738.14/x
  3. Step 3: Cross multiply
    108,918.36x = 163,399.41 × 49,738.14
  4. Step 4: Simplify right side
    108,918.36x = 8,127,182,730.50
  5. Step 5: Solve for x
    x = 8,127,182,730.50/108,918.36
  6. Step 6: Final answer
    x = 74,617.20

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1.5x scale

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.