Home / 52,222.09-72,066.30-28,348.59

Finding the Fourth Proportional to 52,222.09, 72,066.30 and 28,348.59

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Solution

The fourth proportional to 52,222.09, 72,066.30 and 28,348.59 is: 39,120.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,222.09 : 72,066.30 = 28,348.59 : x
  2. Step 2: Convert to fraction form
    52,222.09/72,066.30 = 28,348.59/x
  3. Step 3: Cross multiply
    52,222.09x = 72,066.30 × 28,348.59
  4. Step 4: Simplify right side
    52,222.09x = 2,042,977,991.52
  5. Step 5: Solve for x
    x = 2,042,977,991.52/52,222.09
  6. Step 6: Final answer
    x = 39,120.96

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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.