Home / 108,979.12-163,448.18-34,088.04

Finding the Fourth Proportional to 108,979.12, 163,448.18 and 34,088.04

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Solution

The fourth proportional to 108,979.12, 163,448.18 and 34,088.04 is: 51,125.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,979.12 : 163,448.18 = 34,088.04 : x
  2. Step 2: Convert to fraction form
    108,979.12/163,448.18 = 34,088.04/x
  3. Step 3: Cross multiply
    108,979.12x = 163,448.18 × 34,088.04
  4. Step 4: Simplify right side
    108,979.12x = 5,571,628,055.16
  5. Step 5: Solve for x
    x = 5,571,628,055.16/108,979.12
  6. Step 6: Final answer
    x = 51,125.65

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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.