Home / 52,332.21-72,142.25-39,735.09

Finding the Fourth Proportional to 52,332.21, 72,142.25 and 39,735.09

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Solution

The fourth proportional to 52,332.21, 72,142.25 and 39,735.09 is: 54,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,332.21 : 72,142.25 = 39,735.09 : x
  2. Step 2: Convert to fraction form
    52,332.21/72,142.25 = 39,735.09/x
  3. Step 3: Cross multiply
    52,332.21x = 72,142.25 × 39,735.09
  4. Step 4: Simplify right side
    52,332.21x = 2,866,578,597.88
  5. Step 5: Solve for x
    x = 2,866,578,597.88/52,332.21
  6. Step 6: Final answer
    x = 54,776.56

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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.