Home / 108,955.08-163,420.38-30,080.52

Finding the Fourth Proportional to 108,955.08, 163,420.38 and 30,080.52

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Solution

The fourth proportional to 108,955.08, 163,420.38 and 30,080.52 is: 45,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,955.08 : 163,420.38 = 30,080.52 : x
  2. Step 2: Convert to fraction form
    108,955.08/163,420.38 = 30,080.52/x
  3. Step 3: Cross multiply
    108,955.08x = 163,420.38 × 30,080.52
  4. Step 4: Simplify right side
    108,955.08x = 4,915,770,009.00
  5. Step 5: Solve for x
    x = 4,915,770,009.00/108,955.08
  6. Step 6: Final answer
    x = 45,117.40

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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.