Home / 125,640.18-173,384.01-69,055.20

Finding the Fourth Proportional to 125,640.18, 173,384.01 and 69,055.20

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Solution

The fourth proportional to 125,640.18, 173,384.01 and 69,055.20 is: 95,296.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,640.18 : 173,384.01 = 69,055.20 : x
  2. Step 2: Convert to fraction form
    125,640.18/173,384.01 = 69,055.20/x
  3. Step 3: Cross multiply
    125,640.18x = 173,384.01 × 69,055.20
  4. Step 4: Simplify right side
    125,640.18x = 11,973,067,487.35
  5. Step 5: Solve for x
    x = 11,973,067,487.35/125,640.18
  6. Step 6: Final answer
    x = 95,296.48

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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.