Home / 52,200.11-72,036.35-28,326.78

Finding the Fourth Proportional to 52,200.11, 72,036.35 and 28,326.78

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Solution

The fourth proportional to 52,200.11, 72,036.35 and 28,326.78 is: 39,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,200.11 : 72,036.35 = 28,326.78 : x
  2. Step 2: Convert to fraction form
    52,200.11/72,036.35 = 28,326.78/x
  3. Step 3: Cross multiply
    52,200.11x = 72,036.35 × 28,326.78
  4. Step 4: Simplify right side
    52,200.11x = 2,040,557,696.82
  5. Step 5: Solve for x
    x = 2,040,557,696.82/52,200.11
  6. Step 6: Final answer
    x = 39,091.06

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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.