Home / 125,669.67-173,419.75-69,080.64

Finding the Fourth Proportional to 125,669.67, 173,419.75 and 69,080.64

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Solution

The fourth proportional to 125,669.67, 173,419.75 and 69,080.64 is: 95,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,669.67 : 173,419.75 = 69,080.64 : x
  2. Step 2: Convert to fraction form
    125,669.67/173,419.75 = 69,080.64/x
  3. Step 3: Cross multiply
    125,669.67x = 173,419.75 × 69,080.64
  4. Step 4: Simplify right side
    125,669.67x = 11,979,946,106.14
  5. Step 5: Solve for x
    x = 11,979,946,106.14/125,669.67
  6. Step 6: Final answer
    x = 95,328.86

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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.