Home / 76,045.07-114,067.61-31,692.71

Finding the Fourth Proportional to 76,045.07, 114,067.61 and 31,692.71

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Solution

The fourth proportional to 76,045.07, 114,067.61 and 31,692.71 is: 47,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,045.07 : 114,067.61 = 31,692.71 : x
  2. Step 2: Convert to fraction form
    76,045.07/114,067.61 = 31,692.71/x
  3. Step 3: Cross multiply
    76,045.07x = 114,067.61 × 31,692.71
  4. Step 4: Simplify right side
    76,045.07x = 3,615,111,684.12
  5. Step 5: Solve for x
    x = 3,615,111,684.12/76,045.07
  6. Step 6: Final answer
    x = 47,539.07

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1.5x scale

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.