Home / 125,640.24-173,387.20-69,055.28

Finding the Fourth Proportional to 125,640.24, 173,387.20 and 69,055.28

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Solution

The fourth proportional to 125,640.24, 173,387.20 and 69,055.28 is: 95,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640.24 : 173,387.20 = 69,055.28 : x
  2. Step 2: Convert to fraction form
    125,640.24/173,387.20 = 69,055.28/x
  3. Step 3: Cross multiply
    125,640.24x = 173,387.20 × 69,055.28
  4. Step 4: Simplify right side
    125,640.24x = 11,973,301,644.42
  5. Step 5: Solve for x
    x = 11,973,301,644.42/125,640.24
  6. Step 6: Final answer
    x = 95,298.30

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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.