Home / 125,117.60-187,677.04-31,623.44

Finding the Fourth Proportional to 125,117.60, 187,677.04 and 31,623.44

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Solution

The fourth proportional to 125,117.60, 187,677.04 and 31,623.44 is: 47,435.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,117.60 : 187,677.04 = 31,623.44 : x
  2. Step 2: Convert to fraction form
    125,117.60/187,677.04 = 31,623.44/x
  3. Step 3: Cross multiply
    125,117.60x = 187,677.04 × 31,623.44
  4. Step 4: Simplify right side
    125,117.60x = 5,934,993,613.82
  5. Step 5: Solve for x
    x = 5,934,993,613.82/125,117.60
  6. Step 6: Final answer
    x = 47,435.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.