Home / 125,765.10-188,679.51-37,021.50

Finding the Fourth Proportional to 125,765.10, 188,679.51 and 37,021.50

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Solution

The fourth proportional to 125,765.10, 188,679.51 and 37,021.50 is: 55,541.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,765.10 : 188,679.51 = 37,021.50 : x
  2. Step 2: Convert to fraction form
    125,765.10/188,679.51 = 37,021.50/x
  3. Step 3: Cross multiply
    125,765.10x = 188,679.51 × 37,021.50
  4. Step 4: Simplify right side
    125,765.10x = 6,985,198,479.47
  5. Step 5: Solve for x
    x = 6,985,198,479.47/125,765.10
  6. Step 6: Final answer
    x = 55,541.63

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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.