Home / 108,405.29-149,594.42-60,009.03

Finding the Fourth Proportional to 108,405.29, 149,594.42 and 60,009.03

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Solution

The fourth proportional to 108,405.29, 149,594.42 and 60,009.03 is: 82,809.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,405.29 : 149,594.42 = 60,009.03 : x
  2. Step 2: Convert to fraction form
    108,405.29/149,594.42 = 60,009.03/x
  3. Step 3: Cross multiply
    108,405.29x = 149,594.42 × 60,009.03
  4. Step 4: Simplify right side
    108,405.29x = 8,977,015,598.13
  5. Step 5: Solve for x
    x = 8,977,015,598.13/108,405.29
  6. Step 6: Final answer
    x = 82,809.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.