Home / 125,729.12-188,588.01-36,985.52

Finding the Fourth Proportional to 125,729.12, 188,588.01 and 36,985.52

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Solution

The fourth proportional to 125,729.12, 188,588.01 and 36,985.52 is: 55,476.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,729.12 : 188,588.01 = 36,985.52 : x
  2. Step 2: Convert to fraction form
    125,729.12/188,588.01 = 36,985.52/x
  3. Step 3: Cross multiply
    125,729.12x = 188,588.01 × 36,985.52
  4. Step 4: Simplify right side
    125,729.12x = 6,975,025,615.62
  5. Step 5: Solve for x
    x = 6,975,025,615.62/125,729.12
  6. Step 6: Final answer
    x = 55,476.61

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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.