Home / 108,935.40-163,403.10-46,612.20

Finding the Fourth Proportional to 108,935.40, 163,403.10 and 46,612.20

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Solution

The fourth proportional to 108,935.40, 163,403.10 and 46,612.20 is: 69,918.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,935.40 : 163,403.10 = 46,612.20 : x
  2. Step 2: Convert to fraction form
    108,935.40/163,403.10 = 46,612.20/x
  3. Step 3: Cross multiply
    108,935.40x = 163,403.10 × 46,612.20
  4. Step 4: Simplify right side
    108,935.40x = 7,616,577,977.82
  5. Step 5: Solve for x
    x = 7,616,577,977.82/108,935.40
  6. Step 6: Final answer
    x = 69,918.30

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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.