Home / 52,190.01-78,287.75-39,729.57

Finding the Fourth Proportional to 52,190.01, 78,287.75 and 39,729.57

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Solution

The fourth proportional to 52,190.01, 78,287.75 and 39,729.57 is: 59,596.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.01 : 78,287.75 = 39,729.57 : x
  2. Step 2: Convert to fraction form
    52,190.01/78,287.75 = 39,729.57/x
  3. Step 3: Cross multiply
    52,190.01x = 78,287.75 × 39,729.57
  4. Step 4: Simplify right side
    52,190.01x = 3,110,338,445.12
  5. Step 5: Solve for x
    x = 3,110,338,445.12/52,190.01
  6. Step 6: Final answer
    x = 59,596.43

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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.