Home / 47,078.80-65,010.93-35,121.37

Finding the Fourth Proportional to 47,078.80, 65,010.93 and 35,121.37

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Solution

The fourth proportional to 47,078.80, 65,010.93 and 35,121.37 is: 48,498.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,078.80 : 65,010.93 = 35,121.37 : x
  2. Step 2: Convert to fraction form
    47,078.80/65,010.93 = 35,121.37/x
  3. Step 3: Cross multiply
    47,078.80x = 65,010.93 × 35,121.37
  4. Step 4: Simplify right side
    47,078.80x = 2,283,272,926.57
  5. Step 5: Solve for x
    x = 2,283,272,926.57/47,078.80
  6. Step 6: Final answer
    x = 48,498.96

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1.5x scale

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.