Home / 125,739.04-173,513.44-69,139.48

Finding the Fourth Proportional to 125,739.04, 173,513.44 and 69,139.48

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Solution

The fourth proportional to 125,739.04, 173,513.44 and 69,139.48 is: 95,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,739.04 : 173,513.44 = 69,139.48 : x
  2. Step 2: Convert to fraction form
    125,739.04/173,513.44 = 69,139.48/x
  3. Step 3: Cross multiply
    125,739.04x = 173,513.44 × 69,139.48
  4. Step 4: Simplify right side
    125,739.04x = 11,996,629,014.61
  5. Step 5: Solve for x
    x = 11,996,629,014.61/125,739.04
  6. Step 6: Final answer
    x = 95,408.94

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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.